
In this NACA High-Speed Flight Station photograph, the X-3 Stiletto is seen on the lakebed at Edwards Air Force Base.

This is an artist's conception of the VentureStar single-stage-to orbit Reuseable Launch Vehicle (RLV) on its launch pad, ready for…

The LRV-2 (Low Reynolds Vehicle No. 2), seen here on the ramp at NASA's Dryden Flight Research Center, Edwards, Calif.,…

This NACA High-Speed Flight Station photograph shows a side-view of the X-3 Stiletto research aircraft on the ramp at Edwards…

Surplus Navy Phoenix missiles, like this one mounted on the centerline pylon of NASA's F-15B research aircraft, may be used…

An inert AIM-54 Phoenix missile nestled under the fuselage of NASA Dryden's F-15B aircraft is being studied as a possible…

NASA Dryden aircraft and avionics technicians (from left) Bryan Hookland, Art Cope, Herman Rijfkogel, and Jonathan Richards install the nose…

This artist's rendering depicts the three designs submitted for the X-33 proposal for a technology demonstrator of a Single-Stage-To-Orbit (SSTO)…

The X-2, initially an Air Force program, was scheduled to be transferred to the civilian National Advisory Committee for Aeronautics…

This 1952 photograph shows the X-2 #2 (46-675) with a collapsed nose landing gear, after landing on the first glide…