Christopher Foss is one of the world's most respected authorities on modern fighting vehicles and for a number of years has been the editor of Jane's Armour and Artillery. In addition he contributes to or edits a number of other military publications. He currently lives and works in Hampshire. Simon Dunstan is a well-established author, film maker and photographer in the field of military history with several titles already published with Osprey. He has been writing about armoured warfare for two decades, his books covering topics including helicopter and armored warfare in Vietnam, the Challenger main battle tank, the British Guards and armoured warfare in Korea. Simon lives and works in London.