STAR Clipper (high resolution)

Star Clipper at Astronautix

Image credit: Lockheed

Image source: Mike Acs

A “Space Shuttle”

Star Clipper at Astronautix

Image credit: Lockheed

Image source: Numbers Station

Supersonic Traveler

Lockheed L-2000 at Wikipedia

Image credit: Lockheed

Image source: Mike Acs

From Space Station ’80

Orbiter and booster both returned to earth in this version of the shuttle.

Space Station ’80
by Lou Jacobs, Jr.
Hawthorn Books, 1973

Star Clipper at Astronautix

Image credit: Lockheed

Image source: Numbers Station

Saporito & Kramer

Image credit: Lockheed

Image source: Mike Acs

Voyager

Voyager at Astronautix

Image credit: Lockheed

Image source: Apollo4Ever

Lockheed ATF

Advanced Tactical Fighter at Wikipedia

Image credit: Lockheed

Image source: National Archives

Titan / Centaur / Viking

Titan at Astronautix

Image credit: Martin Marietta

Image source: SDASM Archives