Corporal Charles Carroll, a Elliston, Mont., native and machine gunner with the Combined Anti-Armor Team for Battalion Landing Team, 1st Battalion, 2nd Marine Regiment, 24th Marine Expeditionary Unit, prepares night vision optics for Djiboutian military forces during bilateral training, June 25, 2012. The 24th MEU is deployed with the Iwo Jima Amphibious Ready Group as a theater reserve force for U.S. Central Command. The group is providing support for maritime security operations and theater security cooperation efforts in the U.S. Navy's 5th Fleet area of responsibility.