Master Sgt. Patrick Gray
Master Sgt. Patrick Gray, 91st Air Refueling Squadron NCO in charge of aviation resource management, talks to Staff Sgt. Darren Clever, 91st ARS NCO in charge of scheduling, at MacDill Air Force Base, Fla., Sept. 3, 2015. Gray maintains flight records and monitors flying hours for aircrew and aircraft. (U.S. Air Force photo by Senior Airman Ned T. Johnston/Released)