U.S. Air Force Airman 1st Class Tiana Zakariyya, 633rd Security Forces Squadron member, aims a 5.56mm M4 Carbine downrange at Langley Air Force Base, Va., Nov. 1, 2012. Security Forces personnel test their firing abilities through a qualification assessment in different firing positions. (U.S. Air Force photo by Senior Airman Racheal E. Watson/Released)