Staff Sgt. Christopher Vetsch, 22nd Maintenance Squadron aerospace ground equipment craftsman, assembles a 30-ton tripod jack July 7, 2020, at McConnell Air Force Base, Kansas. Vetsch’s job was to disassemble the tripod jack to ensure there was no corrosion and keep the equipment running. Tripod jacks are used to lift of aircraft off the ground to perform maintenance and operational checks on landing gear components. (U.S. Air Force photo by Senior Airman Alexi Bosarge)