OSAN AIR BASE, Republic of Korea -- Lt. Gen. Terry L. Gabreski, Air Force Materiel Command vice commander, presents her commander’s coin to Master Sgt. Erik An, 51st Maintenance Operations Squadron, who was recognized as the Maintenance Support Systems Performer of the Year, Supervisor-Manager category. General Gabreski was the guest speaker at the 51st Fighter Wing’s Maintenance Professional of the Year banquet March 7. During her speech, she said it was important for aircraft maintainers to exhibit Air Force core values when performing their daily missions of aircraft generation. (U.S. Air Force photo/Senior Master Sgt. Marvin Krause)