AMXS
Staff Sgt. AnnMarie Ringer, 510th Aircraft Maintenance Unit dedicated crew chief, looks under an F-16 Fighting Falcon May 14, 2013, at Aviano Air Base, Italy. The 510th AMU is part of the 31st Aircraft Maintenance Squadron, which is responsible for maintaining 31st Fighter Wing aircraft to support U.S. Air Forces in Europe and NATO operations. (U.S. Air Force photo/Airman 1st Class Matthew Lotz)