Mark R. Henry is a lifelong student of military history and an experienced re-enactor of many periods. He served in the US Army as a signals officer 1981-90, in Germany, Texas and Korea. He holds a BA degree in History and is studying for his Master's; and currently works in the US Army museum system. His special interest lies in the United States armed forces of the 20th century.Ramiro Bujeiro, previously the illustrator of Osprey's Warrior 23: US Marine in Vietnam, Elite 68: The Military Sniper since 1914, and MAA 357: World War II Allied Women's Services, 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, including many years' work for IPC magazines in Great Britain. His main interests are the political and military history of Europe in the first half of the 20th century.