Second of three YF-12 prototypes, only survivor. Flew mostly for high-speed research at NASA. Last flight on 07 Nov 1979 to Dayto. 535FH.

2010, 60-6935, Art1002, Blackbird, Dayton, USA, USAF Museum, YF-12 #gallery IMG_0114

2010, 60-6935, Art1002, Blackbird, Dayton, USA, USAF Museum, YF-12 #gallery IMG_0068

2010, Art1002, Blackbird, Dayton, USA, USAF Museum, YF-12 #gallery IMG_9444

2010, Art1002, Blackbird, Dayton, USA, USAF Museum, YF-12 #gallery pano-9447-pano-9450_-_21_