Wing section stored on the roof of a shed. First flew as XS694 in 1965. To the USAF as 64-18268 then to NASA as NASA 520 in 1966. Crash landed at Wallops Island, VA in 1967 then used for parts. To a paintball field at Blakeslee, PA in derelict condition. Recovered by a collector. Arrived at the Museum in 2018.