ANDERSEN AIR FORCE BASE, Guam - Tech. Sgt. Mark Gandy, 736th Security Forces Squadron program manager for the Warrior Skills Trainer, performs a function check on a replica M2 Browning heavy machine gun at the WST Nov. 19 here. Weapons like the heavy machine gun are used to combat simulated enemies programmed into the scenarios created by instruction using the WST. (U.S. Air Force photo by Senior Airman Shane Dunaway)