Flying crew chiefs perform preflight procedures during sunrise at Travis AFB Jan. 6, 2023
U.S. Air Force Senior Airman Conner Gyorke, left, and Staff Sgt. Shane Patton, both 60th Aircraft Maintenance Squadron flying crew chiefs, perform preflight procedures at Travis Air Force Base, California, Dec. 16, 2022. Flying crew chief is a special duty assignment for aircraft maintenance specialists; they ensure aircraft in-flight maintenance and support. (U.S. Air Force photo by Chustine Minoda)