Retired Air Force Master Sgt. Travis Bolt (middle) speaks with Arnie Berbstrom and Brad Morgan (left), Vietnam War veterans, at a B-1 bomber display at Ellsworth Air Force Base, S.D., May 21, 2015. More than 15 Korean and Vietnam War veterans and their family members gathered at the South Dakota Air and Space Museum to meet with Ellsworth’s Airmen, tour the base and attend a retreat ceremony. (U.S. Air Force photo by Senior Airman Hailey R. Staker/Released)