DJIBOUTI (Oct. 7, 2012) - Petty Officer 3rd Class Charlie D. Murphy, 22, a hospital corpsman with Combat Logistics Battalion 24, 24th Marine Expeditionary Unit, and McMinnville, Tenn., native, holds security on a patrol while training in the coastal mountains of Djibouti, Oct. 7, 2012. Non-infantry Marines like Murphy, with CLB-24, trained alongside their infantry brethren from Bravo Company, Battalion Landing Team 1st Battalion, 2nd Marine Regiment, 24th MEU, during a three-week training package to gain a shared understanding of each other's roles in the Marine Corps Air Ground Task Force. The 24th MEU is deployed with the Iwo Jima Amphibious Ready Group as a theater reserve and crisis response force for U.S. Central Command and the U.S. Navy's 5th Fleet area of responsibility. (Photo by Staff Sgt. Robert L. Fisher III) - DJIBOUTI (Oct. 7, 2012) - Petty Officer 3rd Class Charlie D. Murphy, 22, a hospital corpsman with Combat Logistics Battalion 24, 24th Marine Expeditionary Unit, and McMinnville, Tenn., native, holds security on a patrol while training in the coastal mountains of Djibouti, Oct. 7, 2012. Non-infantry Marines like Murphy, with CLB-24, trained alongside their infantry brethren from Bravo Company, Battalion Landing Team 1st Battalion, 2nd Marine Regiment, 24th MEU, during a three-week training package to gain a shared understanding of each other's roles in the Marine Corps Air Ground Task Force. The 24th MEU is deployed with the Iwo Jima Amphibious Ready Group as a theater reserve and crisis response force for U.S. Central Command and the U.S. Navy's 5th Fleet area of responsibility. (Photo by Staff Sgt. Robert L. Fisher III)