Fire away
SEYMOUR JOHNSON AIR FORCE BASE, N.C. -- Staff Sergeant Aaron Walker (center) assists Corporal Brent Farnen, U.S. Marine Corps, with firing the .50 calibur machine gun at a firing range just outside of Djibouti City, Djibouti during a training exercise. Sergeant Walker is deployed as a member of the Combined Joint Task Force, Horn of Africa, and is assigned to the 916th Communications Squadron, Air Force Reserve.