Computer combat simulator more than 'just a game'
U.S. Army Pvt. Calvin Brown, 576th Inland Cargo Transfer Company cargo specialist, uses the Virtual Battle Space 2 computer training simulator at Fort Eustis, Va., Sept. 6, 2012. Soldiers conduct individual or collective training and break down into two rival teams to accomplish a variety of mission objectives. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)