Operational with the US Air Force between March 1945 and March 1956, Doc was placed at the China Lake Weapons Range as a target from 1956. Moved in 1998 to the United States Aviation Museum, Inyokern, CA that was established by Mr. Tony Mazzolini to save the B-29, Boeing stepped in to help with restoration in 2000. The bomber was moved to Wichita, KS where it has been rebuilt to like new condition.