Which is your favorite X-Plane?

Which is your favorite? Flashback to 1953 with some of the research aircraft at the NACA High-Speed Flight Research Station now known as the the Dryden Flight Research Center. The X-3 is center and, clockwise from left: X-1A Air Force serial number 48-1384, the third D-558-1 NACA tail number 142, XF-92A, X-5, D-558-2, and X-4. Aug. 4,1953. #nasa #naca #xplane #drydenflightresearchcenter #aviationsafari #aviationpreservation #boneyardsafari