231106-F-PU288-1005
U.S. Air Force Airman 1st Class Samuel Epstein, 436th Operations Support Squadron aircrew flight equipment apprentice, prepares an oxygen mask for aircrew at Dover Air Force Base, Delaware, Nov. 6, 2023. AFE Airmen are responsible for ensuring that all flight and safety equipment is in working order for aircrew before flight. (U.S. Air Force photo by Airman 1st Class Amanda Jett)