While Switzerland remained neutral during World War I, three of its citizens served in other nations' air forces and became flying aces.
- Alfred Michael Koch – 10 confirmed aerial victories while serving in the Royal Flying Corps and Royal Air Force.
- Marcel Bloch – 5 confirmed aerial victories while serving in the French Aéronautique Militaire.
- Jacques Roques – 5 confirmed aerial victories when serving in the French Aéronautique Militaire.
References
- Notes
- Shores, Franks & Guest (1990), p. 228.
- Franks & Bailey (1992), p. 120.
- "Jacques Raphaël Roques". The Aerodrome. 2016. Retrieved 21 January 2016.
- Bibliography
- Franks, Norman & Bailey, Frank W. (1992). Over the Front: A Complete Record of the Fighter Aces and Units of the United States and French Air Services, 1914–1918. London, UK: Grub Street. ISBN 978-0-948817-54-0.
- Franks, Norman; Bailey, Frank W. & Guest, Russell (1993). Above the Lines: The Aces and Fighter Units of the German Air Service, Naval Air Service and Flanders Marine Corps 1914–1918. London, UK: Grub Street. ISBN 978-0-948817-73-1.
- Shores, Christopher F.; Franks, Norman & Guest, Russell F. (1990). Above the Trenches: a Complete Record of the Fighter Aces and Units of the British Empire Air Forces 1915–1920. London, UK: Grub Street. ISBN 978-0-948817-19-9.