David Bullock holds a PhD in European Military History and has been an officer in the U.S. Air Force. Currently, he writes official histories as a military historian for the Department of Defence and is an adjunct Associate Professor at Colorado Technical University, Colorado Springs. He is the author of New Vanguard 83 Armoured Units of the Russian Civil War: White and Allied and New Vanguard 95: Armoured Units of the Russian Civil War: Red Army

RAMIRO BUJEIRO has become a frequent and popular Osprey contributor for over ten years. He is an experienced commercial artist who lives and works in his native city of Buenos Aires, Argentina. His professional background includes many commissions as a figure illustrator and strip cartoonist for clients all over Europe and the Americas. His main interests are the political and military history of Europe in the first half of the 20th century.
Ramiro Bujeiro has become a frequent and popular contributor to Osprey since illustrating Warrior 23:US Marine in Vietnam 1965–73
(1998). He is an experienced commercial artist who lives and works in his native city of Buenos Aires, Argentina. His professional background includes commissions as a figure illustrator and strip cartoonist for clients all over Europe, the Americas and in Great Britain. His main interests are the political and military history of Europe in the first half of the 20th century.