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This NACA High-Speed Flight Research Station photograph of the XF-92A was taken at the South Base of Edwards Air Force Base. The photograph shows the large Xs painted on the nose and tail of the aircraft. These were used to aid when tracking the aircraft was done by optical methods. The Convair XF-92A aircraft was powered by a Allison J33-A turbojet engine with an afterburner, and was unique in having America's first delta wing. The delta wing's large area, thin airfoil cross section, low weight, and structural strength made this design a promising combination for a supersonic airplane.