Senior Airman Sean Kenney, an aerospace propulsion apprentice with the 910th Aircraft Maintenance Squadron, and Tech. Sgt. Steven Lew, an aerospace propulsion craftsman with the 910 AMXS, prepare a propeller for installation on a C-130H Hercules aircraft June 11, 2019, here. The propellers arrive disassembled and must be put together by skilled technicians. (U.S. Air Force photo/Senior Airman Christina Russo)