U.S. Army Chief Warrant Officer 4 Glenn Coffin, a pilot assigned to B Company, 5th Battalion (General Support) Aviation, 159th Aviation Regiment, flies a CH-47 Chinook during a training mission at Felker Army Air Field, Fort Eustis, Va., Nov. 18, 2015. As pilots and crew members in the Reserves, Coffin and his crew must retain the same flying hours as their active duty counterparts in order to maintain their certification. (U.S. Air Force photo by Senior Airman Breonna Veal)