Airman 1st Class Bailey Schell, 362nd Training Squadron F-16 crew chief apprentice course student, connects a hose to a machine that pumps hydraulic fluid at Sheppard Air Force, Texas, Nov. 14, 2018. Schell is working on bleeding the hydraulics on an F-16 Fighting Falcon. He is connecting the machine that blows air, to the machine that pumps the hydraulic fluid. The chain handle hanging from the hose is used to release the hose at the end, as the hose will become extremely hot during the bleeding processs. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)