James Pugh, The Royal Flying Corps, the Western Front and the Control of the Air, 1914-1918. Abingdon: Routledge, 2017. Figures. Charts. Bibliography. Index. Hbk. xviii + 190 pp.
Reviewed by Dr Heather Venable
The so-called Father of the Royal Air Force Lord Hugh Trenchard looms large in the historiography of air power, perhaps most infamously for his assertion – seemingly wrought out of thin air – that the moral effect of air power outweighed the material by a factor of twenty to one. To many students of air power, this statement epitomises how much the interwar pursuit of strategic bombardment rested on flights of fancy more than carefully reasoned analysis of the lessons of the First World War because airmen like Trenchard intended to have a moral effect on civilian populations in future wars.
By contrast, James Pugh’s The Royal Flying Corps, the Western Front and the Control of the Air, 1914-1918 pushes back at a significant portion of the historiography of First World War air power concerning the Royal Flying Corps (RFC). Unlike many other scholars, Pugh insists that before the First World War, British airmen anticipated how to use air power effectively and demonstrated creativity and flexibility in applying it during the war. Pugh’s revisionist approach depends on the compelling claim that historians have teleologically read aspects of the interwar period into the First World War experience. Pugh thus wants to rescue some airmen from unfair and overwrought reputations for dogmatism (p. 52). Perhaps most importantly, Pugh seeks to validate the RFC’s overwhelmingly offensive approach as fundamentally sound while showing change over time during the war concerning offensive air strategy. Pugh argues that the offensive approach taken by airmen primarily echoed that of the ground war. Moreover, airmen shifted from seeking decisiveness to pursuing attrition and pursued more sophisticated approaches to achieving control of the air during the First World War.
Pugh’s first chapter establishes convincingly that airmen properly appreciated the importance of air superiority before the First World War. He also shows how vital missions, such as fostering battlefield communication and observing artillery fire, were anticipated before the First World War. However, limited technology and other factors impeded greater experimentation with these roles before the war (p. 33). These roles, moreover, reflected how aviators considered themselves to be part of the British Army. Their embrace of offensive thinking particularly reflected the powerful influence of British Army culture on the RFC. Pugh offers this helpful corrective in response to his belief that historians have traced the origins of airmen’s offensive proclivities too unilaterally to Trenchard (p. 14). Indeed, Pugh generally stresses the extent to which other airmen deserve more credit for developing air power thinking, continually deemphasising Trenchard (p. 51). In a similar vein, Pugh not only challenges widely held views on Trenchard’s emphasis on morale but also offers competing explanations for why the RFC stressed it so much. According to the author, the emphasis on diminishing an opponent’s morale owes much to the ‘fragility of aircraft’ (p. 24, 52). This point is not entirely convincing.
Still, Pugh argues that the RFC did not acquire ‘effective’ fighters until 1916, which were increasingly sent to the Western Front organised in squadrons responsible for different roles (p. 49). While awaiting improved aircraft, the RFC revised doctrine and improved organisational practices. When updated in 1915, RFC doctrine denoted reconnaissance as air power’s primary purpose, although it also increasingly recognised the requirement for ‘fight[ing]’ to obtain that information (p. 46), thereby placing more emphasis on controlling the air. Still, the RFC Training Manual diminished its emphasis on reconnaissance from 75 to 36% of the manual while increasing its coverage of artillery support most dramatically (p. 47).
The RFC’s views on how to control the air grew increasingly expansive, especially after learning valuable lessons about airpower employment at Verdun. Thus, the British now stressed seeking control of the air ‘far away’ from those aircraft providing direct support to the battlefield (p. 52) as well as reaffirming the importance of ‘maintaining an offensive posture’ (p. 56), which resulted in a theatre-wide emphasis as airmen sought to control the air in ‘breadth and depth’ (p. 81).
Pugh’s revisionist account largely depends on assuming the best about many of the airmen he describes, resulting in a somewhat Whiggish and rosy account of the RFC’s achievements in the First World War. Pugh valuably attempts to explode accepted thought in multiple areas. This approach is the work’s greatest benefit and failing. Regarding the extent to which airmen embraced an attrition-based strategy over the course of the war, for example, Pugh never fully makes an argument. Describing the phrase ‘relentless and incessant offensive’ as the ‘most profound evidence’ of this strategic shift ultimately falls short of proving one of the work’s key themes (p. 62). In a related vein, Pugh’s argument depends on separating out the rhetoric of airmen like Trenchard, who he claims made much of offensive air power for political reasons, meanwhile arguing that in actuality, airmen pursued an ‘increasingly nuanced and sophisticated approach to controlling the air’ (p. 71), such as using ‘concentrated and coordinated’ groups of fighters (p. 82). These contrasting interpretations cause the reader to wonder how Pugh determines when to accept evidence as rhetoric and when to accept it as representing airmen’s authentic thinking. These potential problems epitomise how Pugh is trying to do too much, such as when he mentions studies of First World War land power being importantly focused more systematically on ‘learning, transformation, or adaption’ yet preserves that approach for future airpower researchers (p. 91, 71). Using the methodology from some studies more systematically to explore British thinking about air control could offer more value.
Despite these critiques, all students of air power should read Pugh’s work for its argument-driven and revisionist analysis of the Royal Flying Corps. While adding significant complexity to widely accepted views of First World War airpower, Pugh ultimately concludes that the RFC’s offensive mindset represented the ‘most sensible course of action’ to pursue (p. 163). Even for those not necessarily interested in the RFC, his discussion of how to best employ air power will provide much of value to ponder for readers interested in any era of air power.
Dr Heather Venable is an Associate Professor in the Department of Airpower at the United States Air Force’s Air Command and Staff College. She received her PhD in Military History from Duke University. Venable’s first book, How the Few Became the Proud: Crafting the Marine Corps Mystique, 1874-1918, was published by Naval Institute Press in 2019.
Header image: A group of pilots of No. 32 Squadron RFC at Beauval in 1916. Behind them is an Airco DH.2 biplane. (Source: Wikimedia)
Editorial note: In this new series of posts, From Balloons to Drones plans to highlight research resources available to researchers. Contributions will range from discussions of research at various archival repositories through to highlighting new publications. As part of this series, we plan to bring you a monthly precis of new articles and books published in the field of air power history. This precis will not be exhaustive but will highlight key new works published in the preceding month. If you would like to contribute to the series, please contact our Editor-in-Chief, Dr Ross Mahoney, at firstname.lastname@example.org or via our contact page here.
This article sheds lights on the difficulty faced by the minor powers when they were trying to build an effective air force during the interwar period (1919–1939) and the Second World War, using the experience of Chinese military aviation as an example. It argues that the Chinese were heavily influenced by the ideas of decisive action and strategic bombing, as well as similar ideas that were attributed (sometimes incorrectly) to the Italian General and air proponent Giulio Douhet. Only the harsh lessons of the war gradually persuaded the Chinese to adopt a more realistic approach to using air power.
Royal Air Force aircrew endured mental and physical stresses during bombing operations. Their chances of completing a tour of operations unscathed were around one in four, and many were aware the chances were slim. Some who refused to fly were accused of ‘lacking moral fibre’ (LMF). Although this was not a medical diagnosis it is frequently viewed through the lens of mental health and reactions to trauma and it has become a powerful and important cultural phenomenon. This article re-examines LMF in the culture of the wartime Royal Air Force, before considering how and why LMF is remembered by veterans and in popular histories since the war.
Historians have overlooked the important role played by airpower in combined arms during the Palestine Campaign, 1917–1918. This article argues the Egyptian Expeditionary Force adopted Western Front command structures, successfully integrating airpower within their command and control systems. Tactical and strategic airpower provided intelligence which allowed Corps and Army Headquarters to control the tempo of operations, while ground attack operations disrupted Ottoman command and control arrangements. This integration made a clear contribution to the success of the Egyptian Expeditionary Force at the crucial battles of Third Gaza and Megiddo.
William Head, ‘The Triangle of Iron and Rubber: Ground Actions and Airpower during Operation Attleboro,’ Air Power History 67, no. 4 (2020).
This article analyzes the combat emotions of Royal Norwegian Air Force Fighter pilots (hereafter RNoAF) during their bombing campaign over Libya in 2011. Using grounded theory in our interviews with them, we identified 12 categories of their emotions and behaviors, with variations in pride and fear emerging as the two key themes. We show how those two emotions thread through the literature of emotions in combat, and show further how our data, and the resulting matrix from an analysis of it, both apply to and extend that literature. We also show how the high and low variations of pride and fear interact to both support and counter each other. Our findings thus make an important contribution to the combat emotions literature on the action and behavior of fighter pilots.
The involvement of the air force in a series of Joint Task Force (JTF) arrangements, which were initiated to neutralise various security threats, accounted for a growing record of air campaigns in Nigeria. Although there is growing public attention for airpower in Nigeria, its operational relevance and associated concerns have received inadequate academic attention. Accordingly, the understanding of recent developments in Nigeria’s air campaigns to neutralise targeted threats against security across the country remains largely limited and incoherent. This study, therefore, seeks to examine trends in air campaigns, with emphasis on cases, locations, targets and impacts of airstrike, in Nigeria. For this purpose, 241 cases of airstrike with 3,210 fatalities and 273 cases of air/land operations with 2,186 fatalities that were recorded across Nigeria in the last two decades were assessed. This is expected to contribute to a growing body of knowledge on air campaigns of the Nigerian Air Force (NAF) as well as their relevance to neutralise targeted threats and associated human rights concerns in internal security operations.
This article investigates the work conducted by the Royal Air Force (RAF) in the development of tactical air power in the interwar period. It analyses the RAF’s theoretical doctrinal thinking during the period along with exercises conducted on a joint Service basis to further develop these ideas in practice. It will argue that, rather than neglecting tactical air power during this period as is the accepted view, much good theoretical work was done that formed a theoretical and intellectual basis for the further development of tactical air power in the light of operational experience during the Second World War.
Theo Van Geffen, ‘The Air War against North Vietnam: the Thanh Hoa Railroad and Highway Bridge (Part 6, Conclusion),’ Air Power History 67, no. 4 (2020).
No abstract provided.
Darrel Whitcomb, ‘1972 – US Army Air Cavalry to the Rescue in Vietnam,’ Air Power History 67, no. 4 (2020).
No abstract provided.
James Young, ‘The U.S. Air Force’s Long Range Detection Program and Project MOGUL,’ Air Power History 67, no. 4 (2020).
Author Frank Blazich has spent years researching and compiling disparate records of Civil Air Patrol’s short-lived–but influential–coastal patrol operations of World War II, which he synthesizes into the first scholarly monograph that cements the legacy of this unique and vital wartime civil-military cooperative effort.
Airpower in the War against ISIS chronicles the planning and conduct of Operation Inherent Resolve by U.S. Central Command (CENTCOM) from August 2014 to mid-2018, with a principal focus on the contributions of U.S. Air Forces Central Command (AFCENT). Benjamin S. Lambeth contends that the war’s costly and excessive duration resulted from CENTCOM’s inaccurate assessment of the Islamic State in Iraq and Syria (ISIS), determining it was simply a resurrected Iraqi insurgency rather than recognizing it as the emerging proto-state that it actually was. This erroneous decision, Lambeth argues, saw the application of an inappropriate counterinsurgency strategy and use of rules of engagement that imposed needless restrictions on the most effective use of the precision air assets at CENTCOM’s disposal. The author, through expert analysis of recent history, forcefully argues that CENTCOM erred badly by not using its ample air assets at the outset not merely for supporting Iraq’s initially noncombat-ready ground troops but also in an independent and uncompromising strategic interdiction campaign against ISIS’s most vital center-of-gravity targets in Syria from the effort’s first moments onward.
Ralph Cochrane was born in 1895 into a distinguished naval family. After joining the Royal Navy, he volunteered in 1915 to serve with the RNAS in airships and was an early winner of the Air Force Cross. In 1918 he transferred to the fledgling RAF and learnt to fly, serving in Iraq as a flight commander under ‘Bomber’ Harris. His inter-war career saw him as a squadron commander in Aden before he became the first Chief of Air Staff of the Royal New Zealand Air Force. During the Second World War he served mainly in Bomber Command and commanded 5 Group from early 1943. He formed 617 Squadron and was instrumental in planning the legendary Dambuster Raid, the most spectacular of the War, as well as the sinking of the battleship Tirpitz. An inspirational leader, he trained 5 Group in low level target marking skills. Post war Cochrane held a string of senior appointments commanding Transport Command, Flying Training Command and finally as Vice Chief of Air Staff, retiring in 1952. He died in 1977.
In the past century, multinational military operations have become the norm; but while contributions from different nations provide many benefits — from expanded capability to political credibility — they also present a number of challenges. Issues such as command and control, communications, equipment standardization, intelligence, logistics, planning, tactics, and training all require consideration. Cultural factors present challenges as well, particularly when language barriers are involved.
In Allies in Air Power, experts from around the world survey these operations from the birth of aviation to the present day. Chapters cover conflicts including World War I, multiple theaters of World War II, the Korean War, the Vietnam War, the Gulf War, Kosovo, the Iraq War, and various United Nations peacekeeping missions. Contributors also analyze the role of organizations such as the UN, NATO, and so-called “coalitions of the willing” in laying the groundwork for multinational air operations.
While multinational military action has become commonplace, there have been few detailed studies of air power cooperation over a prolonged period or across multiple conflicts. The case studies in this volume not only assess the effectiveness of multinational operations over time, but also provide vital insights into how they may be improved in the future.
Compared to armies and navies, which have existed as professional fighting services for centuries, the technology that makes air forces possible is much newer. As a result, these services have had to quickly develop methods of preparing aviators to operate in conditions ranging from peace or routine security to full-scale war. The first book to address the history and scope of air power professionalization through learning programs, Educating Air Forces offers valuable new insight into strategy and tactics worldwide.
Here, a group of international experts examine the philosophies, policies, and practices of air service educational efforts in the United States, France, Italy, Germany, Australia, Canada, and the UK. The contributors discuss the founding, successes, and failures of European air force learning programs between the Great War and World War II and explore how the tense Cold War political climate influenced the creation, curriculum, and results of various programs. They also consider how educational programs are adapting to soldiers’ needs and the demands of modern warfare.
Featuring contributions from eminent scholars in the field, this volume surveys the learning approaches globally employed by air forces in the past century and evaluates their effectiveness. Educating Air Forces reveals how experiential learning and formal education are not only inextricably intertwined, but also necessary to cope with advances in modern warfare.
In 1972, America was completing its withdrawal from the long and divisive war in Vietnam. Air power covered the departure of ground forces, and search and rescue teams from all services and Air America covered the airmen and soldiers still in the fight. Day and night these military and civilian aircrews stood alert to respond to “Mayday” calls. The rescue forces were the answer to every mans prayer, and those forces brought home airmen, sailors, marines, and soldiers downed or trapped across the breadth and depth of the entire Southeast Asia theater. Moral Imperative relies on a trove of declassified documents and unit histories to tell their tales.
Focusing on 1972, Darrel Whitcomb combines stories of soldiers cut off from their units, advisors trapped with allied forces, and airmen downed deep in enemy territory, with the narratives of the US Air Force, Army, Navy, Marines, contract pilots, and special operations teams ready to conduct rescues in Laos, Cambodia, North Vietnam, and South Vietnam. All of these missions occur against the backdrop of our withdrawal from the war and our diplomatic efforts to achieve a lasting peace. In detail, Whitcomb shows how American rescue forces supported the military response to the North Vietnamese’s massive three-pronged invasion of South Vietnam, America’s subsequent interdiction operations against North Vietnam, and ultimately the strategic bombing of Linebacker II.
Armageddon and OKRA is the first in a planned series about the Royal Australian Air Force’s (RAAF) air campaigns being compiled as part of the RAAF’s 100th-anniversary celebrations. The RAAF’s Chief of Air Force (CAF) intends for the series’ works to be ‘readable, well-illustrated, educative and enduring’ (p. 3). In the main, Armageddon and OKRA ably meets these ambitions.
The book though carries additional burdens in aiming not just to market the RAAF to the Australian public but also to contribute to the Air Force’s professional military education and be of interest to serious academic researchers. It would be difficult for any work to satisfy such a diverse audience completely. Given this split, this review discusses Armageddon and OKRA from both a reader’s viewpoint and a military organisational perspective.
Armageddon and OKRA is split into two main parts. Part one examines Australian air power during the First World War in the Middle East between 1915 and 1919. The principal focus is on the operations of No.1 Squadron of the Australian Flying Corps (AFC) during the British capture of Palestine and Syria from the Ottoman Turks in 1917-1918. ‘Armageddon’ in the title refers to the Battle of Megiddo in late September 1918 in which the No. 1 Squadron fought. This English language word comes from the Ancient Greek name for Mount Megiddo, subsequently used in the Christian Bible’s Old Testament.
Part two then moves forward a hundred years to 2014-2018 and the US-led coalition operations to support the Iraqi Government to defeat Islamic State (ISIS). Part two’s principal focus is the small RAAF Air Task Group deployed for this task as part of the larger Australian Defence Force’s Operation OKRA, and which involved (amongst others) No.1 Squadron again. This is a rather elegant symmetry that perhaps was not made as much use of as could have been.
The involvement of the RAAF and its predecessor, the AFC in these two periods was at the tactical level of war and accordingly, the book’s main focus centres around squadron operations. Part one provides a comprehensive overview that nicely relates the tactical to the strategic level, the air activities undertaken, the various aircraft Australian’s were trained on and flew in operations, maintenance aspects and the air-to-air and air-to-ground weapons used. In this part, No.1 Squadron’s use of the Bristol F.2b Fighter in 1918 features prominently, including the destruction of a large Turkish ground force that the unit trapped in the Wadi Fara gorge. Also notable is the attention paid to including the opposing German squadrons, particularly FA300, and how they impacted No.1 Squadron. Wars involve two sides, however; many histories overlook this interdependence.
Part two is somewhat different. Early on, there is a detailed examination of the command-and-control arrangements for OKRA. The naming protocols are quite arcane for the casual reader, not unsurprisingly as their origin lies in the demands of automated messaging systems not in easy human comprehension. This then moves into several short chapters that discuss the daily air operations as seen at the squadron-level by OKRA’s deployed air units. These units flew the F/A-18 ‘Classic’ Hornet fighter/bomber, the F/A-18F Super Hornet fighter/bomber, the E-7A Wedgetail airborne warning and control aircraft and the KC-30A air-to-air refuelling tanker.
By the time the reader reaches these final chapters, it is apparent that CAF’s aims to be ‘readable, well-illustrated, educative and enduring’ has been achieved. In Australia, the book is keenly priced while its excellent line drawings of aircraft and numerous photographs add to the overall appeal. Some may argue over ‘enduring,’ however, the second part of the book offers a level of detail of the RAAF’s part in OKRA that is presently unequalled. In particular, future historians of these air operations will value this book because it gives the reader an insight into the rhythm and grind of daily squadron life during operations.
On the other hand, in meeting CAF’s other dictum, the book falls a bit short for the professional or academic reader. It is not – nor was intended to be – a critical analysis of the RAAF’s air operations in these two periods. The book dwells on the positives and only rarely and rather briefly notes any possible negatives. There are also reoccurring lapses into hagiography. Of the two parts of the book, the second is the most impacted. There is room left for a definitive, comprehensive history of the RAAF during OKRA.
In thinking about future works, the elegant symmetry of parts one and two was noted earlier. In reading the book, the more critical reader might like to assess the similarities and differences between No.1 Squadron operating as part of the British Empire and then 100 years operating as part of the American ‘empire’. In the First World War, No. 1 Squadron and Australians were more broadly considered part of the British Empire; they were simply English people born offshore. It is unsurprising the future Air Marshal Sir Richard Williams, later the ‘father of the RAAF,’ ended the war commanding in battle the Royal Air Force’s 40 Wing, which was overwhelming a British entity.
During OKRA, there is a much greater separation between the Americans and their foreign air force partners; the later provide tactical level forces to use as the US determines. However, through its astute alliance management process, the American empire has shaped foreign air forces to be fully and immediately interoperable with US forces regarding doctrine, equipment, support, and training. In contrast, in the British Empire’s war, Australia provided people to Britain who needed to be trained, equipped and, later in battle, logistically supported. For Australian’s, the British Empire was more collegiate, but the modern-day American one is arguably shrewder. Armageddon and Okra’s author, Lewis Frederickson, has written a fine, relevant analysis on Australia’s First World War experience for those wishing to explore such issues further.
Finally, it is worth discussing the book from a military organisational perspective. The book’s forward sets out CAF’s intentions for the series. These are not just laudable but noteworthy in breaking from the last 20 years of RAAF development. In these earlier periods, RAAF and other Australian Service chiefs stressed teamwork, and especially loyalty, over critical thinking. This is a recognised problem for small professional military forces which lack the scale to be able to be ‘broad churches’ that can include disruptors. In this series, and in his new Air Force Strategy, CAF now appears interested in setting off down this path. If so, later books will need to be more analytical, including engaging in constructive criticism. It is uncertain if this will be possible or acceptable.
Armageddon and Okra is an excellent value read that makes a useful contribution to RAAF history. It is particularly important and valuable in breaking new ground on the RAAF’s participation in OKRA against ISIS. Overall Armageddon and Okra will be of interest to the general public, military enthusiasts and undergraduates undertaking strategic studies courses.
Dr Peter Layton is a Visiting Fellow at the Griffith Asia Institute, Griffith University and a RUSI (UK) Associate Fellow. His PhD is in grand strategy, and he has taught on this at the US National Defense University. Author of the book Grand Strategy, his posts, articles and papers may be read here. He was also once a navigator on No.1 Squadron RAAF flying F-111Cs.
Header Image: Centenary tail art on a F/A-18F Super Hornet of No. 1 Squadron RAAF at the main air operating base in the Middle East Region during Operatyion OKRA. (Source: ADF)
 Lewis Frederickson, ‘The Development of Australian Infantry on the Western Front 1916-1918: An Imperial model of training, tactics and technology’ (PhD Thesis, UNSW Canberra, 2015)
Editorial Note: From Balloons to Drones is pleased to announce our new podcast series. Led by our Editor Dr Mike Hankins, the series builds on the success of From Balloons to Drones, and provides an outlet for the presentation and evaluation of air power scholarship, the exploration of historical topics and ideas, and provides a way to reach out to both new scholars and the general public. You can find our Soundcloud channel here.
In this episode, we interview Dr Sterling Michael Pavelec of the USAF Air Command and Staff College. We discuss Pavelec’s new book Airpower Over Gallipoliand ask the question of whether the Gallipoli Campaign should be connected with the pioneering use of air power.
Dr Sterling Michael Pavelec is a Professor of Airpower History at the USAF Air Command and Staff College, Maxwell AFB, Alabama. He is the author of four previous books and a number of articles and book chapters on airpower, technology, space, and cyber warfare.
Editorial Note: From Balloons to Drones is pleased to announce our new podcast series. Led by Assistant Editor Dr Mike Hankins, the series builds on the success of From Balloons to Drones, and it provides an outlet for the presentation and evaluation of air power scholarship, the exploration of historical topics and ideas, and provides a way to reach out to both new scholars and the general public. You can find our Soundcloud channel here.
In our latest podcast, we interview Dr Tyler Morton to discuss his new book From Kites to Cold War: The Evolution of Manned Airborne Reconnaissance. Not only do we get some incredible stories about aerial surveillance (especially from the WW2-era), but we have a blast talking about our biggest “nerd moments” from the archives, and why that type of work is so powerful and exciting!
Header Image: A U-2C painted in a gray camouflage pattern called the ‘Sabre’ scheme in 1975. The camouflage replaced the usual black finish to ease British concerns about ‘spy planes’ operating from the UK. In Europe, this U-2 tested equipment to locate and suppress enemy surface-to-air missiles. (Source: National Museum of the United States Air Force)
What is air power? How do we study it? How do we use it? Do previous characterisations sufficiently capture the concept? Perhaps. This article contends that prior attempts to put meat on the bone towards a framework to study air power scholarship are insufficient.
Moreover, we must appreciate the richness of our inquiries if we – scholars and professionals, such as political scientists, historians, policymakers, practitioners and users – want to understand better the concept of air power to help answer important questions. These questions may be: how do civilian airline pilots and training schools contribute to a nation’s ‘air power?’ Can peacetime control of airspace access constitute a form of air power? To what extent does air information, such as weather, the electromagnetic environment, knowledge of space weather, constitute a form of air power? Furthermore, more, importantly, how do these questions and related concepts orient to each other. As such, this article argues that air power is the domain-agnostic admixture of personalities, outcomes, organisations, technologies, ideas and events to do or, that do, something in or for, the air.
This definition is unique in that it explicitly and parsimoniously joins together the breadth of military and civilian endeavours. It highlights the ‘stickiness’ of related topics and contends that air power is not an inherently military pursuit, though its application almost always manifests as such. The definition provides more form to the general, varied ideas of military thinkers about essential elements of air power. This article begins the discussion on the topic of how we structure air power studies across various academic fields and cordons a more robust dissection of the topic in future publications. Furthermore, this article details the constituent components of air power to clarify meaning. Then, it uses this perception of air power to explain its evolution throughout history. Finally, briefly, it discusses our current air power disposition to make sense of what component will drive innovation in the coming decades — organisations. So, how have we come to envisage this elusive thing we call air power?
Definition and Components of Air Power
In the Age of Airpower, Martin Van Creveld explored about 250 years of the concept. Among others, he highlighted the work of people with simple, yet elegant definitions of air power, such as that of Brigadier General William ‘Billy’ Mitchell who viewed it as doing ‘something in the air.’ Other writers such as Mark Clodfelter provided more angles: breaking the concept of air power into direct and indirect applications. For Clodfelter, direct air power generally involves kinetic outcomes such as bombing and indirect presumes more non-kinetic capabilities, such as intelligence, surveillance and reconnaissance (ISR).
Meanwhile, organisations such as the US Air Force (USAF) define air power based on its organisational experience and conceptual refinement. The latest iteration of USAF Basic Doctrine defines the concept as ‘the ability to project military power or influence through the control and exploitation of air, space, and cyberspace to achieve strategic, operational, or tactical objectives.’ So, how do we break air power down for study?
While Mitchell’s definition is more parsimonious, adding a little complexity provides the explanatory muscle to how we think about air power and thus how we can consider the concept’s change over time. Foundationally, one should recognise that to do something in the air does not necessarily mean that the activity must originate in or from the air. For instance, a ballistic missile launch originates from the land, traverses through the air and maybe space, and then strikes somewhere on land. This example demonstrates the potential of the agnosticism of the air domain. Furthermore, a more robust definition allows for careful, coordinated forecasting of future air power applications using clear and structured links within and across the subject’s elements. For instance, air power researchers studying C-17 humanitarian assistance capabilities may be linked to those studying procedurally based command and control organisations as well as those studying the political effects of humanitarian assistance to optimise future disaster response towards national priorities.
Conceiving of air power as an admixture of component concepts: each noteworthy, though not equal, in characterising the ability to do something in the air is vital for several reasons. One benefit is to have more structured research programs that allow thinkers to situate their contribution to the subject area. Another is to generalise debates on air power concepts that link military and civilian theory and application. A generalisation can help guard against what seems to be a tendency to overly militarise air power thought, evoking the coercive and persuasive elements of the concept. The benefits are similar to those of academic fields like history or political science though air power studies can best be described as an interdisciplinary subfield or topical field.
Importantly, to be useful, the components must be defined. First, personalities may be individuals or groups that have a profound impact on the development of the notion. For instance, Mitchell vocally and publicly advanced the idea of a separate US military service despite the misgivings of more senior leaders, including President Calvin Coolidge. In part, the general’s 1925 court-martial resulted from agitation for a separate US air service. However, the spectacle thrust air power into America’s national dialogue. He challenged the US Army – then overseeing land-based air forces – stating that their leaders were negligent for not building an air service capable of national defence. Mitchell is credited by many as being the original maverick in pursuing an idea of independent military air power that was largely sidelined at the time. Mitchell’s persona, in part, catalysed the existence of organisations critical to the development of air power.
Mitchell’s calls for an independent air service bring us to the second component — organisations, which are administrative and operational systems that foster ideas, leverage people and exploit technologies towards some outcome. An exemplar is the USAF’s Strategic Air Command (SAC) under Major-General Curtis LeMay’s tutelage. SAC pursued the idea of ‘strategic’ air power, discussed later, towards its outcome of long-range conventional and nuclear bombing. SAC oversaw most of the US nuclear deterrent and development of bomber capabilities for the USAF. The organisation came to personify air power in the US and for much of the world during the Cold War. Albeit an unfair approximation, civilians and military personnel alike were lent the idea of air power’s ability to render an outcome of total enemy devastation embodied by SAC’s long-range bombers and, later, ballistic missiles.
In our context, outcomes are the effects, assessments and results by which military and civilian leaders come to associate air power. For instance, after the Second World War, both military and civilian leaders came to associate air power with the unconditional surrender of the enemy evoked by the use of nuclear weapons. This idea created problems during the Korean and Vietnam Wars, where expectations outpaced the new reality of limited, non-nuclear warfare. Limited warfare lends itself to more technical means — leaving technology to be the more tangible, driving component of air power.
As a component, technology includes all the capabilities, research, design, development and testing that allow practitioners to do things in the air. For instance, a significant component of the US’ advancements in stealth technology originated with the Skunk Works team under Kelly Johnson’s orchestration, among others. The team’s research and design techniques led to advances like the SR-71 Blackbird and the F-117 Nighthawk. These technologies, along with other capabilities-related advances, influenced expectations such as those discussed above: enabling the limited, non-nuclear warfare that became characteristic of vast swaths of America’s recent history. However, while technology is sometimes the easiest to translate as an air power component, though not always easy to grasp, it is ideas that sometimes generate change.
Doctrine, strategy, theories, policies and politics combine to form air power’s conceptual component. These ideas embody how personalities can use other components. Reciprocally, all the other components can help thinkers conceive of new ways to conceptualise air power. To demonstrate, during Operation EL DORADO CANYON, President Reagan and his national security team viewed air power as a punitive instrument of national security policy. Existent technologies in the 1980s allowed Reagan’s response to state-sponsored terrorism with a long-range, airstrike on targets tailored to the perceived offence. Reagan’s team shepherded the technology component in a way that had not yet been explored to its fullest. They updated strategic attack doctrine; tested theories of international relations; set new international policies; and ignited the politics of air-driven limited, military interventions.
Events like Op EL DORADO CANYON also constitutes the last element of air power. Our understanding of past campaigns, battles and historical milestones enables a fuller appreciation of air power and the possibility of modifying its future use. Unfortunately, these so-called understandings can sometimes lead to misapplications of history and, ultimately, to disaster. For instance, the counterinsurgency in Iraq that began almost immediately after the invasion in 2003 required a different application of air power than previously practised, but it would take multiple Secretaries of Defense to enforce this understanding upon the military, as evidenced by the explosion of unmanned technologies among others. The components of air power – personalities, organisations, outcomes, technologies, ideas and events – provide the critical infrastructure for the study of air power. We can use this infrastructure to help us understand various aspects of the topic, like what elements may be more important at various times in history. This understanding can help us orient ourselves in history relative to the seemingly dominant feature of our time so that those who study, and practice air power can best allocate resources, whether academically or practically.
Epochs of Air Power
In this section, this article now considers the prominence of the above elements as determinants of historical periods in air power’s evolution. A short walkthrough of air power’s epochal changes rooted in the above-defined elements illuminates current and the future application of air power. Geoffrey Barraclough, in An Introduction to Contemporary History, provided an idea about ‘spots and jumps’ that define historical periods and transitions. He used the timeframe 1880-1960 to discuss the shift between modern and contemporary history based primarily on economic and geopolitical factors. Using a similar conception of eras punctuated by ‘spots and jumps,’ rooted in the components of air power to characterise the shifts, this section divides the evolution of air power into five timeframes. Importantly, during shifts between the timeframes, changes in predominant component concepts of air power led to changes in our concept of air power.
Before 1783 – The Age of Imagination
Air power before 1783 can be viewed as an ‘Age of Imagination’ or ideas. There were no bounds except those imposed by humanity’s evolving understanding of terrestrial physics. Some of the earliest human records depict mystical flying or lobbing objects through the air as weapons. In their way, our ancestors from around the world gave us our first concept of air power. They conceived of divinity by drawing and storytelling of gods that could defy gravity unassisted, a fruitless pursuit for mere mortals that dates to Greek, Roman and Chinese mythology. While ancient and pre-industrial humans did not themselves defy gravity, humankind created things to help defend themselves, such as arrows and trebuchet missiles. These weapons are essential to the study of air power because the idea of projectiles travelling large distances to destroy an enemy finds its roots here. These weapons emerged over thousands of years, sometimes a crowning achievement of empires such as Persia and the Mongols. Nonetheless, the wild-eyed dreams of fantasy came to a relatively abrupt end in 1783 when the Montgolfiers floated their first balloon. The brothers’ flights began the period of the ‘Origins of Air Power.’
1783 to 1903 – The Origins of Air Power
Between 1783 and 1903, changes in the concept of air power resulted from slow changes in technologies. For instance, a new class of ‘aeronauts’ proliferated workable ballooning technologies that ended up in the hands of Napoleon Bonaparte, though his use is not the first use on the battlefield. He used available technologies when and where he could to enhance reconnaissance and direct artillery strikes. In 1798 Bonaparte used balloons to try to overawe the Egyptians in a campaign to subdue the Middle East and North Africa. After an unsuccessful display, Napoleon ordered the balloon unit’s disbandment. Undoubtedly a balloon would have come in handy in 1815 when Napoleon looked for Grouchy to spot and crush Blucher’s flanking movement at Waterloo. Nearly a half-century later, professionals continued to struggle with the concept of air power: conceiving of it as an unproven, unpredictable and unusable conglomeration of technologies and techniques, such as gas-producing machines for balloons, telegraphs and airborne mapmaking. Such was Thaddeus Lowe’s disposition in bringing air power to fruition during the American Civil War. Thus, it would be until the turn of the twentieth century.
1903 to 1945 – The Douhetian Epoch
From 1903 to 1945, ‘strategic’ air power and its offshoots was the idea that drove changes in the conception of air power as something more than an observational or auxiliary tool for ground forces. The idea of independent air power came to full fruition in August 1945 with the dropping of the atomic bomb over Hiroshima, Japan. To begin, in December 1903 the Wright Brothers brought heavier-than-air flight to reality. Driving the science of aeronautics were ideas like those refined by Giulio Douhet in the early part of the 20th century. Theorists like Douhet opined that wars could be won by striking at city centres from the air to break the will of a people, forcing them to surrender. Douhet’s original Italian publication in 1921 would not get immediately translated into English; however, people like Hugh Trenchard, the first Royal Air Force commander, articulated similar thoughts and organised, trained and equipped his military forces towards those ends. Sir Arthur ‘Bomber’ Harris would make use of Trenchard’s advancements during the Second World War over German cities such as Hamburg, Dresden and Berlin. Though it would take the American military time to adopt the British model of indiscriminate bombing, this idea came to epitomise air power for the period.
Importantly, this was also the timeframe during which commercial air travel in lighter- and heavier-than-air vessels took root. Though the ‘golden’ age of commercial air travel would come later, concepts like air routes, navigating via beacons, airports and other ideas began to solidify. These concepts had both military and civilian applications and technologies that enabled further development of the idea of air assets used over long distances. However, the military would continue to dominate ideas about air power as a ‘strategic’ concept even as these ideas came into contact with a significant theoretical challenge: limited warfare in an age of potentially unlimited destruction from thermonuclear weapons.
1945 to 2001 – The Era of Immaculate Effects
The next era, roughly spanning 1945 to 2001 is the maturation of strategic bombing extremes enabled by high technology. Militarily, the era is marked by the rise of a more immaculate, precise warfare with limited aims to mitigate aircrew losses, fulfil more specific international obligations and for operational efficiency among other goals. There was a change in the concept of air power because of what it was perceived to have achieved during the Second World War and the idea that the same outcome could be realised even in the face of more limited warfare. By the beginning of this timeframe, the USAF sidelined more tactically-minded airmen like Pete Quesada to ensure adoption of strategic bombing as a vehicle to solidify the association with air power. In part because of his prestige as a tactical aviation adherent, the ‘bomber generals’ defanged Quesada and the organisation he led, Tactical Air Command, after WWII. There was no room for anyone but true believers in the strategic attack mindset, but this would change after the experiences of Korea and Vietnam in the 1950s, 60s and 70s. Only later in the period would Quesada’s tactical aviation and more precise attack legacy permeate military circles.
In civilian aviation, technology-fueled huge leaps in air power. National airspace, global navigation capabilities and air-containerised freight were concepts that would hold vast military and civilian applications. It is during this time that military and civilian aircraft started to compete for airspace for things like training, exercises and navigating various corridors. Another critical advance was the widespread implementation of the instrument landing system that allowed commercial aircraft to land in increasing levels of degraded atmospheric conditions. Again, precision enabled by technology characterised this era.
2000 and Beyond – Flexible Niche
The most recent period begins at around the turn of the millennium. This is the epoch as ‘Flexible Niche’ because it involved the use of existing or new technologies for a variety of activities dependent on how organisations are positioned to leverage them. Beginning in the late 1980s, formalisation of the contemporary Air Operations Center (AOC) is an early indicator of the present epoch. This organisation enabled the focused air campaign during Operations INSTANT THUNDER and DESERT STORM that, in part, led to ultimate victory for coalition forces in 1991. It was no longer enough to think of air power as just a capability or bringing about the strategic defeat of an enemy via the limits of destructive power or achieving national objectives with as few civilian casualties as possible. The organisation became the template for how to leverage air power across a wide area and from multiple sources. A contemporary view of air power considers the construct of how and which organisations best leverage technologies, ideas and people towards a given outcome, which may be a military one. There are a variety of concepts that the United States military is exploring, including the Multi-Domain Operations Center and Defense Innovation Unit, in addition to the standup of a Space Force among other initiatives.
Civil aviation is undergoing a similar bout with organisations, especially in the United States, as the Federal Aviation Administration (FAA) grapples with how best to control airspace with the rise of unmanned technologies, especially in congested metropolitan areas. Should the FAA continue to hold all the cards or is the organisation in need of decentralisation of authorities to states and localities? Technologies may forestall the organisational decision, but this era’s solutions seem to be organisationally related rather than technically.
For the new century and beyond, it will not necessarily be which countries and industries have the best technologies or smartest people or best ideas that define the development of air power: it will be the organisations that can best leverage the other components that will determine how we conceive of air power. To summarise, again, air power is the domain-agnostic ability to do something in the air resulting from an admixture of personalities, outcomes, organisations, technologies, ideas and events. These components, at various times, represent reasons why our concept of air power changes over time.
The use of epochs allows us to generally discuss how components of air power drive thinking and successful pursuits of the concept over time, which is why it is useful to develop a unified framework for their study. Moreover, as opposed to the more traditional commentary of air power, linking military and civilian advancements in the same epoch demonstrates that air power is not an inherently military concept. This article serves as an overview of the start of a more robust discussion about the development of air power and a characterisation of what will likely temper that development for the 21st century — organisations. Future topics will involve civilian efforts to deal with drones and swarms, the importance of civil aviation and commercial space efforts in air power development, and the exploration of the idea that organisations will be the defining issue of this era.
Given all of this, air power is the domain-agnostic admixture of personalities, outcomes, organisations, technologies, ideas and events to do or, that do, something in or for, the air. Moreover, these components at various times have influenced significant shifts in our conception of air power over at least five critical epochs. Scholars and professionals must acknowledge the military and civilian dimensions of air power to live up to the concept’s full potential. Hence, to conclude, there is a need for a unified framework for the study of air power to promote the integration of military and civilian issues with the field.
Major Jaylan M. Haley is a career USAF Intelligence Officer. Currently, he is a student at the USAF School of Advanced Air and Space Power Studies at Air University. Over 14 years, he served in a variety of intelligence-related positions from the strategic to the tactical levels. During Operations ENDURING FREEDOM and INHERENT RESOLVE, he served as an Intelligence, Surveillance and Reconnaissance Liaison Officer to multiple US Army Divisions and US Marine Expeditionary Forces in both Afghanistan and Iraq. Most recently he was an Air University Fellow, serving as an Instructor in the Department of International Security at the USAF Air Command and Staff College. He is a PhD Candidate in the Kansas State University Security Studies program with research focused on leverage air power as a tool of national policy.
Header Image: A US Navy Grumman F-14A Tomcat intercepts a Soviet Tupolev Tu-95 ‘Bear D’ reconnaissance-bomber over the Pacific Ocean on 21 November 1984. The F-14 was assigned to fighter squadron VF-51 aboard the USS Carl Vinson and was deployed to the Western Pacific and the Indian Ocean from 18 October 1984 to 24 May 1985. (Source: Wikimedia)
 Domains include air, space, cyberspace (or electromagnetic), land and sea. Domain agnosticism disregards a specific domain towards the application of a specific concept. For instance, intelligence collection is domain agnostic. This means that intelligence collection can come from any of the domains-air, space, cyberspace, land or sea.
 ‘Strategic Implications for the Aerospace Nation’ in Philip Meilinger (ed.), Air War: Essays on Its Theory and Practice (Abingdon: Franck Cass, 2003), pp. 217-30.
 Martin Van Creveld, Martin, The Age of Airpower (New York: PublicAffairs, 2011), p. 71; William Mitchell, Winged Defense: The Development and Possibilities of Modern Air Power (New York: Dover Publications, 1988), p. xii.
 Mark Clodfelter, The Limits of Air Power: The American Bombing of North Vietnam (Lincoln, NE: University of Nebraska Press, 1989), p. 213.
 United States Air Force, Core Doctrine, Volume 1 – Basic Doctrine (Maxwell AFB, LeMay Doctrine Center, 2015).
 Robert Smith, ‘Maneuver at Lightspeed: Electromagnetic Spectrum as a Domain,’Over the Horizon: Multi-Domain Operations & Strategy, 5 November 2018. Importantly, the so-called warfighting domains of air, space, land, navy and now cyber – or perhaps more aptly electromagnetic – all interface with the air domain and provide a medium through which something can happen in the air.
 Douglas Waller, A Question of Loyalty (New York: HarperCollins Publishers, 2004), pp. 21-2.
 Donald Mrozek, Air Power & the Ground War in Vietnam (Virginia, VA: Pergamon-Brassey’s International Defense Publishers, 1989), pp. 14-5.
 Conrad Crane, American Airpower Strategy in Korea: 1950-1953 (Lawrence, KS: University Press of Kansas, 2000), pp. 16-22.
Hindsight tends to make the contingent seem predestined. This is why reading history is essential for those responsible for planning for the future. When military professionals engage with history to try and understand how decisions, events, and circumstances – many of which lie beyond their control – shaped the present, they better appreciate that future planning is not about prediction; it is about preparing for adaptation. This is the lesson I took from Lieutenant Colonel Dr Tyler Morton’s book From Kites to Cold War, published by the United States Naval Institute Press in 2019.
This may not have been the insight that Morton intended for his readers. The book is the published version of Morton’s 2016 USAF Air University PhD thesis, which aimed to educate airmen on how airborne intelligence, surveillance, and reconnaissance (ISR) evolved rapidly from novelty to necessity. Although Morton claimed that the book ‘is a unique account spanning two millennia of manned airborne reconnaissance history’ (p. 9), the book’s six chapters cover less than 200 years: from the Montgolfier brothers’ hot-air-balloon demonstration in 1783 to the Linebacker air campaign over North Vietnam in 1972. This is not a criticism of Morton; his treatment of those 200 years is detailed and engaging and lives up to the promise of providing a unique insight into the development of a capability that is now a cornerstone of modern military operations. Morton’s 200-year story of airborne reconnaissance is one of vision, innovation, hype, misstep, and adaptation. This is a story whose beginning and early evolution has interesting parallels to what is occurring today with a range of emerging technologies.
Most histories of air power begin at the turn of the 20th century with the development of dirigibles and heavier-than-air flight. Those seeking to establish a longer pedigree for military aviation may refer to the French use of balloons at the Battle of Fleurus in 1794. Morton’s first chapter covering the Montgolfier’s 1783 balloon demonstration through to the end of the Spanish-American War in 1898, therefore, fills a gap in air power’s historical narrative.
As Morton describes it, the 19th century was a period of civilian-led experimentation that enjoyed ambivalent support from militaries in Europe and the United States. Though contemporary militaries saw the potential for balloons to contribute to their armies’ situational awareness, many believed resources were better spent on more established capabilities. Using examples from the French Revolutionary period and the American Civil War, Morton shows how the tension between inventors, scientists, and entrepreneurs who demonstrated, but also oversold, the possibilities of airborne reconnaissance, and military leaders who needed to balance innovation with operational necessities shaped initial development efforts. The opportunity cost of an experimental technology versus tried-and-tested during a time of war hindered the military employment of balloons until the end of the 19th century.
It was during the first 15 years of the 20th century, the focus of chapter two, that the perceived benefits of military air power began to exceed the cost. Practical and operational demonstrations of airships and heavier-than-air machines sparked interest in militaries in Europe and the United States, leading to a growing acceptance of aviation’s future military role. Morton’s analysis of this period draws attention to the increasingly important role of empowered officers who drove progress in airborne reconnaissance. Officers such as then-Lieutenant Benjamin Foulois who envisaged the development of airborne reconnaissance as a system requiring the development of new technology and skill-sets beyond those associated with the aircraft itself, and who were empowered to drive the capability forward. Foulois’ career – on operations, as a member of the critical aeronautical boards before and after the First World War, and as Chief of the Air Corps – provided him with the opportunities within the military establishment to translate his vision into reality. His demonstrations of air-to-ground communications and aerial photography in support of US operations during the Mexican Revolution established the utility of airborne reconnaissance for key US Army leadership. In Foulois’ own words (p. 67), the Mexican operations ‘had proven beyond dispute […] that aviation was no longer experimental or freakish.’
Growing awareness in Europe and the United States of the military utility of airborne reconnaissance opened the door for the capability advocates when war came. It would not take long for the capability to prove its worth. Airborne reconnaissance enabled operational success on both sides of the First World War from the earliest stages of the war. It provided Allied commanders with intelligence on German manoeuvres that enabled the so-called ‘Miracle of the Marne.’ On the Eastern Front, German air reconnaissance of Russian force dispositions played a vital role in the German victory at Tannenberg; according to Field Marshal Hindenburg (p. 85): ‘Without the airplane there is no Tannenberg.’ Morton’s discussion of developments during the war in chapter three provides the reader with an appreciation of how the capability developed as a system comprising the air platform, cameras, communications, and the processing, exploitation, and dissemination (PED) of information. This was a logical progression of the pre-war developments, but, as Morton highlights, it was the character of First World War trench warfare (p. 86) that ‘gave aviation the chance it needed to solidify further its value as a force enhancer.’ The reduced mobility of ground forces created an intelligence gap which air power advocates and innovators ably filled. It was the development under real-world operational conditions that made airborne reconnaissance effective as it ensured the system evolved to meet requirements. This also had the effect of removing any lingering doubt about whether the capability had a place in future force structure. With its future assured, the next challenge was determining the exact form and function of that future capability. As the final three chapters highlight, this was not easy.
In chapter four, Morton covers the interwar period and the Second World War – a 26-year period during which there were significant advances in technology, concepts, and operational experience – in one page more than he covers the five years of the First World War. Surprisingly, this does not reduce the quality of the insights he provides. Morton focuses on two main areas during this period: the relative neglect of airborne reconnaissance into the 1930s as air power’s advocates struggled to define its role; and the wartime expansion of the reconnaissance role from imagery intelligence (IMINT) into signals intelligence (SIGINT). Opportunity cost remerged as a significant factor driving air power development during the interwar period. Ironically, as militaries and air power advocates struggled to clarify the role of air power, the tried-and-tested capability of airborne reconnaissance was neglected as investment flowed into more experimental and conceptual areas such as strategic bombing, a reversal of situation Morton describes in chapter one. However, new technologies and the character of operations during the Second World War created opportunities for innovative airmen and their adaptable organisations to consolidate and expand the role of airborne reconnaissance. The ubiquity of radar and radios increased the opportunities and requirement for collection against new sources; Morton does an excellent job describing the resulting emergence of SIGINT across all theatres. By 1945 the major disciplines of modern airborne reconnaissance were firmly established, but the challenge of prioritisation would continue to shape its development well into the Cold War.
Morton takes a different approach to deal with the Cold War. Rather than dividing the period arbitrarily into different time periods, he opts for a thematic approach. Chapter five explores ‘airborne reconnaissance as a strategic political instrument’. While chapter six, the book’s final chapter, examines airborne reconnaissance in the ‘hot wars’ in Korea, Cuba, and Vietnam. Of note, unlike previous chapters that have examined the developments internationally, the final two chapters focus solely on airborne reconnaissance in the United States. The unstated premise is that whereas previously the ideas and experiences of the other great powers had exerted an influence on the evolution of the capability this ceased to be the case after the end of the Second World War. Whether or not this is true is open for debate, but Morton’s discussion of the period does make a compelling, though implied, case.
In chapter five, Morton describes a period of consistent investment in and development of ‘strategic aerial reconnaissance’. The need to maintain awareness of Soviet capabilities to strike the United States and develop intelligence for targeting of US strategic strikes against the Soviet Union drove these developments. Soviet responses also played a role. As superpower competition grew and the Soviet’s began actively targeting US collection assets, political concerns began to impact the requirement for US reconnaissance capabilities directly. Morton describes how this interplay between collection requirements and political considerations drove improvements to sensor capabilities, giving rise to the Big Safari program, and the survivability of the collection platforms, leading to the A-12 Oxcart/SR-71 Blackbird, and the U-2. These were strategically significant capability improvements that were vital to the success of the US deterrence strategy.
While the United States focused its reconnaissance efforts on strategic requirements, the ability to meet tactical the demands for reconnaissance was neglected. In the book’s final chapter Morton describes how the United States adapted its strategic reconnaissance capabilities, and rapidly developed and implemented new tactical systems to meet the requirements of Korea, the Cuban Missile Crisis, and the Vietnam War. The most interesting aspect of this final chapter is not the technology, but the processes that were developed. In Korea, Colonel Karl Polifka implemented a tactical reconnaissance management system that deconflicted the multitude of requests coming into the 5th Air Force and tracked the status of the product; a process that sounds remarkably similar to today’s collection management process. During Vietnam, the integration of technology and process as part of the Teaball project – a system that enabled highly-classified SIGINT to provide near-real-time intelligence into USAF fighter cockpits over North Vietnam – contributed to an increase in the USAF’s kill ratio from 0.47:1 to 4:1. In the words of General John Vogt, then-Commander of the 7th Air Force (p. 204):
During Linebacker we were shooting down the enemy at a rate of four to one […] Same airplane, same environment, same tactics; largely [the] difference [was] Teaball.
Teaball is an appropriate way for Morton to end his history of airborne reconnaissance. The progress made technologically, organizationally, and procedurally from 1783 to 1972 is impressive; when you shift timescale from 1914 to 1972, that progress is even more spectacular. As Morton reflects when discussing the 1965 introduction of the communication-intelligence-equipped EC-121D Warning Star into the Vietnam conflict (p. 200):
In scarcely fifty years, airmen went from using smoke signals and dropped messages to a fully integrated communications capability delivering near-real-time SIGINT data directly to air and ground warfighters.
This progress was not smooth, nor was it predestined, it was the result of the creativity, vision, and perseverance of inventors, engineers, airmen, and military commanders who were able to adapt emerging capabilities to meet operational and strategic requirements.
From Kites to Cold War is an essential read for anyone involved in the present or future of airborne ISR. Morton’s well-written history of the first 200 years of airborne reconnaissance provides an appreciation of how the capability evolved into its modern form, particularly how the vision and adaptability of airborne reconnaissance advocates were crucial to progress. For the same reason, this book is also a useful read for those in the innovation game or involved in future force design. Although Morton’s aim was not to write a book on military innovation, this is essentially what it is. It is an instructive tale of vision, hype, experimentation, and adaptation that provides useful points of discussion and debate for those charged with integrating experimental technologies and ideas into future force structure.
Wing Commander Travis Hallen is a Royal Australian Air Force officer with a background in maritime patrol operations, and a co-editor of The Central Blue. He has had a long-term interest in the development and improvement of airborne ISR having conducted multiple operational deployments in that role. He is a graduate of the USAF School of Advanced Air and Space Studies. Wing Commander Hallen is currently in Washington, DC.
Header Image: After Francis Gary Powers was shot down over the Soviet Union during a CIA spy flight on May 1. 1960, NASA issued a press release with a cover story about a U-2 conducting weather research that may have strayed off course after the pilot reported difficulties with his oxygen equipment. To bolster the cover-up, a U-2 was quickly painted in NASA markings, with a fictitious NASA serial number, and put on display for the news media at the NASA Flight Research Center at Edwards Air Force Base on May 6, 1960. The U-2 cover story in 1956 was that it was a NASA plane to conduct high-altitude weather research. But various observers doubted this story from the beginning. Certainly the Soviets did not believe it once the aircraft began overflying their territory. The NASA cover story quickly blew up in the agency’s face when both Gary Powers and aircraft wreckage were displayed by the Soviet Union, proving that it was a reconnaissance aircraft. This caused embarrassment for several top NASA officials. (Source: Wikimedia)
The advent of flying craft was, without doubt, a threat to the long-established roles of ground forces. Most historians are familiar with the intra- and inter-service battles that raged during the early days of aviation, but rare are the works that dive into specific details within the various army branches. Seeking to fill that historiographical gap, Lori Henning’s meticulously researched book does just that.
Harnessing the Airplane tells the story of how cavalrymen in the United States (US) and the United Kingdom (UK) dealt with the integration of aircraft – and to a lesser degree, the tank – into their branch. Analysing the first four decades following the aircraft’s invention, Henning shows that cavalrymen generally accepted the new technology, but were cautious about relinquishing the cavalry’s reconnaissance mission too hastily. Instead, the cavalry sought to experiment with aircraft to find ways to improve the reconnaissance service they provided to ground commanders.
Chapter one, ‘State of Affairs,’ sets the stage for the following analysis. In this chapter, Henning provides brief histories of the US and British cavalries. This baseline helps explain why both services saw the integration of the aircraft differently. The US cavalry embraced a wide range of missions and used the horse primarily for mobility purposes. This view of how to use horses led to strong resistance against aircraft as the US Cavalry viewed ground reconnaissance as one of its most essential functions. The British used the cavalry primarily for mounted combat and the pursuit of retreating enemy forces and this view allowed the British cavalry to be somewhat more accepting of aircraft.
Chapter two, ‘Early Response to Heavier-Than-Air-Flight,’ highlights the natural connection between aircraft and the cavalry. With reconnaissance being the first purpose of aircraft, cavalry reconnaissance was not surprisingly one of the first missions the aircraft sought to assume. In the earliest days, both nations’ cavalries acknowledged the potential of aircraft, but concluded that the technology was not sufficient; as Henning stated (p. 32):
The general consensus was that aviation would support the cavalry in the field as an auxiliary service and not replace mounted forces.
Chapter three, ‘Developing a Relationship in the 1920s,’ explores how both nations’ evaluated the First World War and the effectiveness of the new technologies that were introduced in that conflict. In the First World War, aircraft played a significant role while both cavalries were effectively absent. The public sentiment that the cavalry had become obsolete increased and cavalrymen in both nations had to defend their branch and find ways to justify its continued existence.
Chapter four, ‘National Economy,’ looks at the factor that may have been more damning to the cavalry than its poor performance in the First World War. In examining the financial arguments favouring aircraft over the cavalry, Henning provides a glimpse into reality. This was that the US and UK sought ways to decrease military expenditures and the aircraft’s proponents were more vociferous and persuasive in making this case than the proponents of cavalry.
Chapter five, ‘Autogiros and Mechanization,’ examines how cavalrymen continued to seek ways to work with the air forces to maximise both services’ effectiveness. By the 1930s, the relationship between air forces and cavalry had stabilised, but as time passed, airmen sought independence and increasingly focused on the strategic vice tactical use of aircraft. Both the British and American cavalry branches realised the need for its own air support, and as such, they turned to a new type of aircraft – the autogiro – to provide the airborne reconnaissance they needed.
Henning’s concluding chapter reminds us of the folly of abandoning functioning capabilities without first providing suitable replacements. Cavalrymen instantly recognised the potential of aircraft and tanks but approached their integration into the army from a cautious view. Despite being labelled as ‘backwards,’ the cavalrymen prudently sought ways to integrate the aircraft as its capabilities increased slowly. In telling this story, Harnessing the Airplane captures the essence of how organisations incorporate new technologies. Henning’s expert analysis highlights the challenge leaders face when presented with the next ‘game-changing technology.’ As she demonstrates, often, many are eager to go all-in without first ensuring that the ‘new’ can replace the ‘old.’ As we now stand at another technological crossroads with continual talk of replacing soldiers with robots, manned aircraft with drones, and analysts with artificial intelligence, this work highlights the rational approach of the early 20th century cavalrymen and provides a case study for today’s military thinkers to consider.
Dennis Haslop, Early Naval Air Power: British and German Approaches. Abingdon: Routledge, 2018. Notes. Index. Bibliography. Illustrations. Tables. 226 pp.
The First World War was the first significant conflict which employed the use of aircraft. Aviation was in its infancy, but by the end of 1918, it had proven its worth for warfare, with many nations moving to continue technological and tactical developments and creating air forces as a separate branch of the military. Britain was the only nation to achieve this during the war, with the Royal Air Force (RAF) being formed on 1 April 1918. This was the culmination of two branches which had, to that point, been quite deliberately separate since the start of the First World War; the Royal Flying Corps (RFC) and the Royal Naval Air Service (RNAS).
Dennis Haslop’s Early Naval Air Power: British and German Approaches aims to present a comparative study of the organisation and air power doctrine in the RNAS and the Imperial German Naval Air Service (IGNAS) (p. 1). This is a unique approach to First World War naval aviation historiography, and it proves a very effective way of illuminating striking similarities in the experiences of the two enemy forces. For scholars primarily and, to a lesser extent, general readers, this provides valuable insight into the parallel development of British and German air power, drawing attention to the significant effect on both by common external factors.
Haslop acknowledges his limitations: while British sources are abundant, the same cannot be said for German sources, he argues. Many documents are missing or misclassified, and there is considerably less in terms of the secondary source material, resulting in a significant gap (p. 202). This makes presenting a balanced view of the two understandably difficult. Even so, the volume and quality of detail and analysis of the IGNAS Haslop includes are impressive. Haslop demonstrates command over the German literature and available archives. This is perhaps one of the greatest strengths of this work. The juxtaposition of the two services made possible by the author’s understanding of the relevant archives provides a convincing argument that the two were experiencing very similar pressures and issues in terms of organisation and doctrine while facing one another in total war. Haslop draws the obvious conclusion that external factors of the time, while not wholly responsible, had a role to play.
Another recent work in this field is David Hobbs’ informative study, The Royal Navy’s Air Service in the Great War (2017), which covered many of the same issues as Haslop’s work, but through the single lens of the RNAS experience. Haslop takes a more analytical approach than Hobbs, whose principal aim is to document the RNAS history. This may make Haslop less appealing to general readers, but his work is far more valuable for scholars. The major downfall of Hobbs’ work is that he too often plays into the inter-service rivalry between the army and navy, with heavy bias evident when considering issues such as home defence, RNAS provision of assistance to the RFC on the Western Front, and the creation of the RAF. Haslop, on the other hand, manages to provide a more balanced approach to these issues while also effectively presenting the RNAS position. Importantly, context is provided throughout by also discussing the RFC.
The growing use of aircraft in the war led to logistical issues with the supply of aircraft – and, in particular, aero-engines – rarely being able to keep up with the demand. With two separate wings to support, Britain’s industry struggled, and the army and navy continuously wrestled over resources throughout the conflict. On this issue, Haslop contends that the RFC wanted to ‘stem the flow’ of resources to the Admiralty, under the logic that the RNAS was ‘gaining advantage out of proportion to its justifiable needs’ (p. 114). The RNAS, of course, disagreed and insisted on the issue being referred back to the government, as the two seemed unable to reach an amicable decision without political intervention. Haslop refers back to the need for a joint air war doctrine to be developed for the progression of air power, noting that this rivalry over resources achieved nothing but to prevent this from happening (p. 114).
The subsequent chapter then demonstrates that, around the same time, the inter-service rivalry in Germany was also intensifying as a result of the struggle over resources (p. 158). This issue was an external factor inherent to the widespread use of new technology to which neither Britain nor Germany was immune. This, combined with the wider issue of inter-service rivalry, Haslop argues, acted as a roadblock to the development of a common air war doctrine in each of the forces (p. 114).
The British and German armies and navies were well-established military services with existing traditions and an existing rivalry. Adding a third capability to the already volatile mix inevitably sparked competitiveness with both ‘constantly vying for dominance over the other’ (p. 203). Haslop argues that inter-service rivalry, primarily over resources, intensified in Germany to the point where the head of the Imperial German Army Air Service (IGAAS) proposed the unification of the two services to create an independent air force, mirroring Britain’s movement towards the creation of the RAF (p. 158). Unlike in Britain, this proposal failed to get approval, but Haslop contends that it affected, nonetheless. The German army was given greater responsibility for resource procurement, virtually ‘ensuring that the navy had to negotiate with the army for supplies’ (p. 158). Despite the proposal not being successful, the fact that a very similar path was being followed in both militaries at the same time is significant.
The rejected proposal seemingly brought the intense inter-service rivalry to an end in Germany, with the two air arms drawing closer together and developing a common doctrine (p. 159). In Britain, Haslop argues, ‘elements of the RFC, government and members of the press were openly calling for the unification’ and formation of an independent air service (p. 111). Public and government anxiety over German bombing raids, combined with the recommendations of the Smuts report, eventually prompted the government to create the RAF. The popular naval story of this event would have readers believe that this was a hostile takeover of the RNAS by the RFC ‘at the stroke of a politician’s pen’, with military ranks ‘imposed and the proud achievements and traditions built up by the RNAS swept away, literally overnight’.
Haslop, however, contends that the amalgamation of the two into the RAF actually had very little noticeable effect on naval aviation for the remainder of the war (p. 144). Rather than being outraged by the Royal Navy ‘losing’ its air arm, Haslop appears to concede that this was a necessary step for the progression of military aviation which was bound to occur sooner or later in any case. By avoiding heavy naval bias, Haslop contributes greatly to a more holistic understanding of the political and tactical developments which took place to reach the point where, by the end of the First World War, Britain was the only nation in the world to boast an independent air service.
Haslop’s ability to place RNAS/IGNAS developments in the broader context of First World War aviation development, political and public pressures, doctrine and overall tactical issues make this book valuable not only to the understanding of naval air power, but also to a comprehensive understanding of the political, social and economic context in which it developed. The intricacies of the external factors are emphasised throughout Early Naval Air Power, and this is one of its greatest strengths. Not only has Haslop effectively demonstrated the development of both naval air services, but he has also done so in a way that does not leave the reader guessing as to why and how they developed in the way that they did.
Ashleigh Brown is a PhD candidate with the School of Humanities and Social Sciences at UNSW Canberra. Her current research is on the development of aviation leadership and command during the First World War. Ashleigh previously completed a Master of Philosophy with UNSW Canberra focused on brigade commanders of the Australian Imperial Force on the Western Front, 1914-1918.
Baron Manfred von Richthofen was killed in air combat on 21 April 1918. He was unequalled in having shot down 80 enemy aircraft in aerial combat during the First World War to become the most famous ‘Ace of Aces’ in the early history of air combat. He was the pride of the German Imperial Army and respected by military aviation historians as the ‘Red Baron.’ A study of Richthofen’s aerial victories highlights the importance of critical thinking to identify and repeat the rules for success in aerial dogfighting. Evidence-based analyses of his behaviours and medical forensics in the months before his death indicate how the war may have been exacting an increasing toll on his judgement and decision-making abilities. The combination of seemingly discrete events that occurred during on 21 April triggered his abnormal behaviours and poor decisions, which had an accumulative effect that led to his ultimate downfall.
Manfred von Richthofen and Learning Lessons
The British called him the ‘Red Baron’, the French scorned him as the ‘le diable rouge’ (Red Devil) while his 1917 autobiography was called Der Rote Kampfflieger, which broadly translates as the ‘Red Battle Flyer.’ F.M. Cutlack, the official historian of the Australian Flying Corps (AFC), described him as the ‘star of stars in the German Air Force.’ On 21 April 1918, Richthofen pursued a Royal Flying Corps Sopwith Camel low over enemy-controlled territory, breaking one of his fundamental air combat maxims, and was fatally wounded. Until then, Richthofen had strictly followed Dicta Boelcke and his critical-thinking of air combat to be scorned, feared, and respected as the highest scoring air ace of the First World War.
The quality of the box matters little. Success depends upon the man who sits in it.
Manfred von Richthofen, ‘The Red Battle Flyer,’ para. 182.
One of the reasons behind his significant success in air combat was his adherence to doctrinal maxims that guided his judgements in deciding when and how he would enter an action in the battlespace and engage a target. The Dicta Boelcke was named after their developer: Oswald Boelcke, Germany’s first air ace, with a total of forty victories. While early aircraft commanders were still seeking to understand roles for aircraft as the newest war machines to enter the battlespace, Boelcke is recognised as being one of the first fighter aces to apply critical thinking to air combat. Boelcke drew on his observations in air combat, reviewed his successes and failures, and critically analysed them to identify the critical decision points, ethical behaviours, and practical tactics that he considered would lead to repeated successes in the air. Boelcke tested and evaluated his air combat rules before recommending them as ‘rules for success’ that should be applied by other German pilots when flying into air combat as individuals or as a group in a squadron.
Boelcke promoted his lessons-learned as dicta to increase the chance of success in air combat by the pilots under his command, especially those who were new and inexperienced. His aerial warfighting principles were endorsed by the German Army to all its airmen, as Dicta Boelcke. After Richthofen was assigned to serve in Boelke’s squadron, Boelke became Richthofen’s mentor, instructor, squadron commander, and close friend. Richthofen became a keen practitioner of Dicta Boelcke.
We were all beginners. None of us had had a success so far. Consequently, everything that Boelcke told us, was to us, gospel truth.
Manfred von Richthofen, ‘The Red Battle Flyer,’ para. 109.
Richthofen fully embraced Dicta Boelcke and, after gaining his own experiences in aerial combat, he learned to apply his critical-thinking to identify his maxims to improve and complement his list of successful air combat tactics doctrine. One of his doctrinal maxims to complement Dicta Boelcke was to ‘never obstinately stay with an opponent’ or, having initiated a dogfight in favourable circumstances, know when to break off the attack when the situation has changed and is no longer favourable. He did not adhere to this principle, later, in his final mission.
Richthofen’s Final Mission
On 21 April 1918, Richthofen pursued a British Sopwith Camel piloted by novice Canadian pilot, Lieutenant Wilfrid May of No. 209 Squadron. May had just fired on the Richthofen’s cousin, Lieutenant Wolfram von Richthofen. On seeing his cousin being attacked, Richthofen flew to aid his cousin and engaged May, causing the latter to disengage from his dogfight with Wolfram. In turn, Richthofen was attacked by another Sopwith Camel piloted by Canadian Captain Arthur ‘Roy’ Brown. Richthofen successfully evaded his attacker and, even though his Spandau machine guns had now jammed and could only be fired manually, resulting in single shots, he decided to resume his pursuit of May.
Richthofen was known to be very calculating in his observations of air battles before deciding when and whom to engage. Engagement only occurred when circumstances were likely to result in a favourable outcome. On this day, Richthofen’s judgment might have been affected by wanting to pursue the attacker who threatened his cousin, despite the circumstances – going against the aforementioned dicta that he considered critical for air combat success. Additionally, Richthofen had a reputation of being a skilled hunter on the ground with a single-shot rifle, and he may have decided that a victory with a single-shot Spandau machine gun be well within his capabilities and would significantly enhance his reputation and the morale of his flying Jasta.
May sought to escape Richthofen by rapidly descending to fly low across the front line into Allied-held territory. May later explained that his aircraft guns had jammed while being pursued and unable to out-manoeuvre Richthofen, he decided to fly low across the ridge into friendly territory, to ‘make a dash for a landing as his only hope.’ Eyewitness accounts reported seeing the Richthofen pursue May down to rooftop heights over the nearby village, which had a church with a bell-tower, and hearing the repeated cracking sounds of single gunshots coming from the aerial pursuit as the aircraft passed.
Richthofen appeared to decide to break one of his fundamental rules that he had previously applied so consistently in air combat by persisting in chasing May without regard for the new dangers arising around him. Richthofen was now flying low over Allied-held territory, with a strong easterly wind causing his aircraft to drift further behind enemy lines, and he was now flying low enough to be within the range of the Australian machine-gunners watching from the trenches. Richthofen seemed to have lost his situational awareness in focusing on May. Richthofen was then observed by the gunners in the trenches to fly up suddenly as if suddenly recognising the new dangers around him and only then decided to break off his pursuit of May – but it was too late. While pulling-up to ascend to a higher altitude above the trenches and ground troops, Richthofen was fatally struck by a single .303 round
He who gets excited in fighting is sure to make mistakes. He will never get his enemy down.
Manfred von Richthofen, ‘The Red Battle Flyer,’ para. 137.
Mortally wounded, Richthofen managed to execute a controlled crash landing, on the Australian-held battleground, before dying in the cockpit. Australian soldiers were quick to attend the crash site and seek to recover Richthofen.
Medical forensic analysis has indicated that Richthofen seemed to suffer from an uncharacteristic episode of ‘target fixation’, breaking his own rule to ‘never obstinately stay with an opponent.’ Medical researchers considered that this uncharacteristic error in judgement might be attributed to a persistent head injury from a head wound caused by a machine gun projectile ricocheting from his head during a dogfight that occurred nine months earlier.
There has been controversy over multiple claims as to who was responsible for the fatal shot that brought down Richthofen; was it fired from a pursuing aircraft or one of the machine-gunners in the trenches? Although Brown was initially credited with the victory, medical forensic analyses of the wound ballistics, conducted in detail in later years, have indicated that Richthofen was struck in the chest by groundfire and not from an airborne shooter. Australia’s Official Historian, C.E.W. Bean, gathered eyewitness accounts from the battlefield that indicate it was most probable that Sergeant Cedric Popkin, an Australian Vickers machine gunner in the trenches, had fired the fatal shot that brought down Richthofen.
Members of No. 3 Squadron, AFC, assumed responsibility for Richthofen’s remains as it was the Allied air unit that was located nearest to the crash site. Richthofen was buried in a military cemetery in France, with full military honours, by members of No 3 Squadron. A British pilot flew solo over the German air base of Jasta 11 to airdrop a message to respectfully inform them of the death of their celebrated commander, Baron Manfred von Richthofen on 21 April 1918.
Enduring Lessons for Modern-Day Aerospace Professionals
While accepting the challenges associated with extrapolating lessons from a historical example, Richthofen’s development and experience as a fighter pilot in the First World War does, however, highlight several enduring lessons for those flying in today’s operating environment. A key lesson is the need to develop critical thinking amongst military professionals who can effectively analyse their operating environment and develop solutions to challenges.
Boelcke was one of the first air aces to apply critical thinking to air combat and draw out best-practices as a way to increase the probability of success for other pilots, especially new and inexperienced ones. This was something that Richthofen built on, and he recognised the need for what in the modern vernacular might be referred to as a system-of-interest whereby in the operation of aerospace systems, the air vehicle, operator, and operating procedures and tactics need to work effectively in combination to achieve success. However, the recognition that a weapon, such as an aeroplane, was only as good as the person who operated it, and the training, tactics and procedures used by that individual, was only one part of the critical thinking process.
It was also necessary for the likes of Richthofen to capture lessons learned in the combat environment and regularly test and evaluate critical systems to improve performance. This also required pilots such as Richthofen to learn from personal mistakes and those of critical peers through ongoing discourse with both subordinates and superiors. The next step in this process was the ability to apply them in operation. Nevertheless, these lessons learned processes were all for nothing if not usefully applied as evidenced by Richthofen’s final flight where we see the significance of high-consequence decision-making and the failure to reduce risk.
The accumulation of seemingly small discrete decisions made by Richthofen on his last flight, where each decision had a seemingly minor consequence when reviewed in isolation, resulted in an accumulative effect that ultimately resulted in catastrophe. As such, it is essential that organisations need to develop the right culture, management systems, and training programs to reduce catastrophic risks to a minimum. Indeed, in Richthofen’s case, arguably, someone should have ensured that he did not fly on that fateful day as he was neither in the right physical or mental condition to fly effectively. Pilots and aircrew are expensive assets to train and maintain, and unnecessary losses such as Richthofen’s impact on operational effectiveness. Richthofen’s state on 21 April 1918 affected his judgement as he ignored one of his critical dicta – to never obstinately stay with an opponent.
Finally, it is worth reflecting that innovation and inventiveness never rest. Sometimes it is beneficial to study the past before looking to the future and look for opportunities to build on the experiences and inventiveness of others rather than starting at an experience level of zero. As Richthofen himself reflected:
Besides giant planes and little chaser-planes, there are innumerable other types of flying machines and they are of all sizes. Inventiveness has not yet come to an end. Who can tell what machine we shall employ a year hence in order to perforate the atmosphere?
Manfred von Richthofen, ‘The Red Battle Flyer,’ para. 222.
Squadron Leader Michael Spencer is currently serving in the Royal Australian Air Force at the Air Power Development Centre in Canberra, analysing potential risks and opportunities posed by technology change drivers and disruptions to the future applications air and space power. His Air Force career has provided operational experiences in long-range maritime patrol, aircrew training, and weaponeering, and management experiences in international relations, project management in air and space systems acquisitions, space concepts development, and joint force capability integration. He is an Australian Institute of Project Management certified project manager and also an Associate Fellow of the American Institute of Aeronautics & Astronautics. The opinions expressed in this article are the author’s own and do not necessarily reflect the views of the Royal Australian Air Force or the Australian Government.
Header Image: The remains of Baron Manfred von Richthofen’s plane and the two machine guns. Most of these officers and men are members of No. 3 Squadron Australian Flying Corps. (Source: Australian War Memorial)
Der Rote Kampfflieger was first published in 1918. The quotes in this article are taken from the 1918 translation by T. Ellis Barker, with a preface and notes by C.G. Grey, editor of The Aeroplane. This edition published by Robert M. McBride & Co. can be found on the Gutenberg.org site.
 F.M. Cutlack, The Official History of Australia in the War of 1914-1918 – Volume VIII: The Australian Flying Corps in the Western and Eastern Theatres of War, 1914-1918, 11th Edition (Sydney, NSW: Angus and Robertson, 1941), p. 215.
 R.G. Head, Oswald Boelcke: Germany’s First Fighter Ace and Father of Air Combat (London: Grub Street, 2016), pp. 97-8.
 P. Koul, et al, ‘Famous head injuries of the first aerial war: deaths of the “Knights of the Air”,’ Neurosurgical Focus, 39:1 E5 (2015).
 ‘Appendix 4 – The Death of Richthofen’ in C.E.W. Bean, The Official History of Australia in the War of 1914-1918 – Volume V: The Australian Imperial Force in France during the Main German Offensive, 1918, 8th Edition (Sydney, NSW: Angus and Robertson, 1941), pp. 693-701.