140516-F-TJ158-051
Flight control specialist journeymen from the 4th Aircraft Maintenance Unit (AMU) work on an AC-130USpooky gunship at Hurlburt Field, Florida, May 16, 2014. The 4th AMU maintains the aircraft 24 hours a day to ensure that training missions go as planned. (U.S. Air Force photo/Senior Airman Christopher Callaway)