Members of the UTapao Alumni Association tour the cockpit of a 307th Bomb Wing B-52H Stratofortress on May 1, 2015, Barksdale Air Force Base, La. The association is comprised of Vietnam Veterans who served at the UTapao Royal Thai Navy Airfield, Thailand, from 1966-1975. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)