307th Security Forces compete in Global Strike Challenge
U.S. Air Force Staff Sgt. Joshua Hill, 307th Security Forces Squadron, prepares to fire his M203 grenade launcher during the Weapons Firing Challenge on Sept. 23, 2015, Camp Guernsey Joint Training Center, Wyo. The challenge consists of teams being evaluated on their marksmanship using the M4 rifle, M9 pistol, M240 machine gun and the M203 grenade launcher. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)