Doc, a restored B-29 Superfortress, takes-off June 9, 2017, from McConnell Air Force Base, Kan. Brig. Gen. Paul Tibbets IV, 509th Bomb Wing commander, Whiteman Air Force Base, Mo., co-piloted Doc, during this flight. Tibbets piloted the aircraft to Whiteman AFB for an airshow. (U.S. Air Force photo/Staff Sgt. Rachel Waller)