Manned Space Platform source NASA Spinoff – 1982 SAMSP at Astronautix Image credit: TRW Image source: Internet Archive
70-PD-4000-52 9902045 Space Tug at Astronautix Image credit: NASA MSFC Image source: Wikipedia Commons
Space Tug Gallery 19700026519 Space Tug at Astronautix Image credit: NASA MSFC Image source: NASA NTRS
MSFC-70-PD-4018A 19700026519 Space Tug at Astronautix Image credit: NASA MSFC Image source: NASA NTRS
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