Keywords: XB-70 Valkyrie DVIDS851426.jpg en ECN-1814 This photo shows the XB-70A parked on a ramp at Edwards Air Force Base in 1967 Originally designed as a Mach 3 bomber the XB-70A never went into production and instead was used for flight research involving the Air Force and NASA's Flight Research Center FRC which was a predecessor of today's NASA Dryden Flight Research Center The aircraft's shadow indicates its unusual planform This featured two canards behind the cockpit followed by a large triangular delta wing The outboard portions of the wing were hinged so they could be folded down for improved high-speed stability 1967 NASA Photo NASA Identifier 359332main_ECN-1814 1967 Glenn Research Center https //www dvidshub net/image/851426 NASA-image ECN-1814 DFRC 851426 2013-02-08 15 01 WASHINGTON D C US thumb rotated version PD-USGov Aircraft at Edwards Air Force Base Images from DoD uploaded by Fæ North American XB-70 1967 in aviation in the United States |