U.S. Air Force Airman 1st Class Virgen Hernandez, 18th Component Maintenance Squadron aerospace propulsion apprentice, removes the pressure switch on a TF-34 engine for inspection July 6, 2017, at Kadena Air Base, Japan. The standard process of maintenance is composed of six parts, which are receiving, teardown, inspection, buildup, test cell and the final part, which include inspections of the engine and forms. (U.S. Air Force photo by Senior Airman John Linzmeier)