Line is Ready ! Fire !
WHITEMAN AIR FORCE BASE, Mo. - Airman 1st Class Scott Maynard, 509th Security Forces Squadron patrolman, inspects the barrel of his M-4 carbine to ensure no debris is stuck down inside during combat arms training here, March 16, 2010.(U.S. Air Force photo by Airman 1st Class Carlin Leslie )(Released)