Vehicle Maintenance
Staff Sgt. Matthew Di Terlizzi, 1st Special Operations Logistics Readiness Squadron vehicle maintenance specialist, tightens a bolt on a Humvee at Hurlburt Field, Fla., April 28, 2014. Vehicle maintenance is responsible for keeping 1st Special Operations Wing vehicles serviceable at all times. (U.S. Air Force photo/Senior Airman Christopher Callaway)