OSS manning assist
Tech. Sgt. Stephen Roberts, 339th Flight Test Squadron, Robins Air Force Base, Georgia, performs a mask leak test on Tech. Sgt. Shakuntala Willis, 374th Operations Support Squadron Aircrew Flight Equipment main shop NCO in charge, July 19, 2017, at Yokota Air Base, Japan. The leak test is used to verify the mask’s seal and integrity. (U.S. Air Force photo by Airman 1st Class Juan Torres)