Handling munitions
U.S. Air Force Staff Sgt. Nathan Carpenter loosens a bolt on a munitions handling unit 141, a four-wheeled munitions transporter, as part of a routine inspection on Seymour Johnson Air Force Base, N.C., April 9, 2012. During these quality assurance inspections, Carpenter examines the hydraulic systems, brake systems and tires. Carpenter, 4th Equipment Maintenance Squadron equipment maintenance crew chief, is from Corning, N.Y. (U.S. Air Force photo/Airman 1st Class John Nieves Camacho/Released)