Members from the 6th Maintenance Group present the colors during the 6th MXG “Knucklebusters” awards banquet April 25, 2014, at MacDill Air Force Base, Fla. The original maintenance professional award was established in 1979 to recognize outstanding performance of direct, sortie-producing maintenance specialists. (U.S. Air Force photo/Senior Airman Melanie Bulow-Gonterman)