
Image credit: USAF
Image source: AFMC

Image credit: USAF
Image source: AFMC

Image credit: Lockheed
Image source: Cradle of Aviation Museum







Image credit: Grumman
Image source: Cradle of Aviation Museum

NASA studied this Martin Marietta concept for a fully reusable space transportation system during the Shuttle research effort in 1969-1972. It featured two piloted fly-back vehicles – a twin-fuselage booster craft and a delta-wing orbiter – in a two-stage configuration. The liquid-propellant booster would carry the orbiter to a set altitude, then detach and be piloted back to land. After separation the orbiter would ignite its own engines to reach orbit. Both vehicles had retractable air-breathing jet engines for powered airplane-like flight during descent to landing. NASA transferred a variety of concept models to the Museum after settling on the final Space Shuttle design.
Image credit: NASM
Image source: NASM

Artist’s concept of the pre-Shuttle Lockheed-sponsored Star Clipper stage-and-one-half lifting body configuration ascending from a desert launching base – circa 1968.
Lockheed Horizons, Number 13, 1983
Image credit: Lockheed Martin
Image source: The Portal to Texas History

Final evolution of the Lockheed LS-200-5 lifting body stage-and-one-half configuration under NASA Space Shuttle Alternate Concepts contracts in December 1970.
Lockheed Horizons, Number 13, 1983
Image credit: Lockheed Martin
Image source: The Portal to Texas History

Image credit: Convair
Image source: SDASM Archives

Image credit: Republic Aviation
Image source: AFMC

Image credit: Convair
Image source: NASA


Image credit: Republic Aviation
Image source: AFMC


Image credit: Convair
Image source: AFMC