Keeping the pressure on point
U.S. Air Force Senior Airman Quinton Littell, 31st Maintenance Squadron Aerospace Ground Equipment journeyman, cleans an air compressor prior to inspection, Sept. 8, 2015, at Aviano Air Base, Italy. Air compressors are inspected every six months for serviceability and are used on the flightline for tools. (U.S. Air Force photo by Airman 1st Class Cary Smith/Released)