US Army, SPECIALIST (SPC) Kevin Marsh and Private First Class (PFC) Shawn Burgos, A Company, 299th Engineer Battalion, 4th Infantry Division, Fort Hood, Texas, stand in open hatches in an M113 Armored Personnel Carrier (APC), mock-up Grizzly breaching system (mine field), during the Advanced Warfighting Experiment (AWE) at the National Training Center, Fort Irwin, California. More than 6,000 soldiers took part in the six-week exercise that capped nearly two years of training. The AWE tested 72 initiatives ranging from new computer equipment like the Applique to reorganization of unit structure, 24 March 1997