U.S. Air Force Col. Ben Maitre, 27th Special Operations Wing commander, stands with air and ground crew members of the 16th Special Operations Squadron and the 27th Special Operations Aircraft Maintenance Squadron in front of "Heavy Metal," an AC-130H Spectre gunship, prior to its retirement April 8, 2015 at Cannon Air Force Base, N.M. (U.S. Air Force photo/Staff Sgt. Matthew Plew)