Dr Andrew Ross is a former Operations Research analyst at Central Studies Establishment, Defence Science and Technology Organisation, Australian Department of Defence. He is also a military historian. He is currently a Visiting Fellow at the University of New South Wales, Canberra and is the author of numerous publications including Armed and Ready: The Industrial Development and Defence of Australia 1900–1945 and, with Bob Hall, 'Lessons From Vietnam – Combined Arms Assault Against Prepared Defences', in Michael Evans and Alan Ryan (eds.), From Breitenfeld to Baghdad: Perspectives on Combined Arms Warfare.