A Vietnam Veteran and his wife take a photograph of an engine of the B-52 named the Lone Star Lady II at Barksdale Air Force Base, La., on May 1, 2015. The 307th Bomb Wing alumni were given a VIP tour prior to the Defenders of Liberty Air Show where the static aircraft was dedicated to the men and women who served during Vietnam War. (U.S. Air Force photo by Master Sgt. Laura Siebert/Released)