Rollout of the first XB-47 prototype. The first flight was not until 17 December 1947. Photo from: Whites Aviation Collection/Alexander Turnbull Library

21 July 1948: First flight, flown by Boeing test pilots. December/48: TOS USAF. Spent its entire career as a flying test bed. 1954: Transferred to Chanute AFB, IL for maintenance and familiarization training. 1994: Placed on display with the Chanute Air Museum. 31 Oct 2015: The museum closed and the following year this plane was transported to the Air Force Flight Test Center Museum at Edwards AFB, CA.

The second B-47 prototype, first flown on 21 July 1948. The photo is assumed to have been taken early on because of the yellow 'US Army Air Forces' bowser. Airframe survives, moved to the Flight Test Center Museum at Edwards AFB in 2016. Photo by: Rudy Arnold / Smithsonian Institution

The preserved second prototype B-47 Stratojet at the now closed Octave Chanute Museum.