U.S. Marine Corps Lt. Col. Eric Drown and Sgt. Maj. Rogelio Burboa present seven Airmen from the 51st Security Forces Squadron with a certificate of commemoration for their work with the Marines on Town Patrol in a ceremony at the security forces headquarters building at Osan Air Base, Republic of Korea, March 13, 2013. The Marines, assigned to the Marine Tactical Air Command Squadron-18, 1st Marine Air Wing based out of Okinawa, Japan, are here supporting the Korean Marine Exchange Program, a simulation-based exercise executed by MACG-18 as a precursor to Key Resolve. The team was augmented to Town Patrol to help police the more than 350 Marines at Osan during their stay. (U.S. Air Force photo/Senior Airman Alexis Siekert)