The exercise focused on proper weapons handling

U.S. Marine Corps Lance Cpl. Shaun Atencio, assigned to Bravo Company, Marine Corps Security Forces Battalion, Bangor, aims an M16A4 rifle during a squad movement training exercise at Naval Base Kitsap, in Bangor, Wash., April 20, 2011. The exercise focused on proper weapons handling, strategic movement and enemy engagement. (DoD photo by Mass Communication Specialist 3rd Class Lawrence Davis, U.S. Navy/Released)