Abstract
A 12-man Earth-orbiting Space Station has been defined. Planned for launch in 1977 by a two-stage Saturn V, the Station is 111 ft long, 33 ft in diameter, weighs 187,000 Ib, and consists of three two-deck common modules that allow for growth. An isotope/Brayton power system provides 37.5 kwe, with 20 kwe available for experiments. The Station has a closed-loop water system and a partially closed-loop, two-gas atmosphere at 14.7 psia. It normally operates in zero gravity, but also has provisions for artificial-gravity experiments. The Station is logistically supported by the Earth-to-orbit shuttle which provides for crew rotation, delivery of supplies and experiments, and return of hard-copy data to Earth. Experiment operations are conducted within the Station, in attached modules, and in freeflying modules that periodically return to the Station for servicing.
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