Capt. David Kirn, a pilot assigned to the 37th Bomb Squadron, provides a walking tour of the B-1B Lancer for former aviators at Ellsworth Air Force Base, South Dakota, July 21, 2023. Base tours provide community members the opportunity to interact with Airmen and to learn the 28th Bomb Wing mission. (U.S. Air Force photo by Tech. Sgt. Hannah Malone)