
An artist’s conception of the half scale X-33 demonstrator flying over the southwestern desert.

An artist’s conception showing the relative sizes of the X-33 (left) and the proposed operational VentureStar.

In this NACA High-Speed Flight Station photograph the X-3 Stiletto is viewed from above and looking at the left side.

The X-33 model about to touchdown on a lakebed.

This in-flight NACA High-Speed Flight Station photograph of the X-3 Stiletto illustrates the aircraft’s long slender fuselage and the small…

In this NACA High-Speed Flight Station photograph, the X-3 Stiletto is seen being towed behind the NACA hangar (located on…

This is an artist’s conception of the NASA/Lockheed Martin Single-Stage-To-Orbit (SSTO) Reusable Launch Vehicle (RLV) releasing a satellite into orbit…

This is an artist’s conception of the NASA/Lockheed Martin Single-Stage-To-Orbit (SSTO) Reusable Launch Vehicle (RLV) in orbit high above the…

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…