+ 1970 News Releases (7.6 Mb PDF file) - NASA

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A shuttle flight bringing up an additional module for space station
could also bring up scientists to operate experiments or conduct Earth
resources photographic and remote sensing surveys.
The first portion of such a space station would be an airlock
and manipula£or module carrying electrical power supplies_ communications
gear, maneuvering thrusters and propellants, and a life support system.
The airlock would allow s_acesuited crewmen to pass from pressurized
compartments into space for assembly work.
The second shuttle launch would ferry a central assembly module
into position for hard docking with the airlock-manipulator section.
The assembly module would have multiple docking collars for attaching
subsequent modules of the space station.
An electrical power boom_ with a solar-cell array providing _5
kilowatts of power_ would be flown to join the cluster. In addition
to the four solar arrays, the power boom would have two high-gain
communications and data antennas.
The remainder of the shuttle launches would place into position
basic structural modules outfitted as crew quarters, medical and
experiment labs, control stavion_ galley and dining room_ or other
specialized uses. Each basic module would weigh between 11,O00 and
16,000 pounds.
Crew staterooms in the basic modules would provide about 50 square
feet of living space for each man. Later, the basic modules could be
returned to Earth by the shuttle for refurbishment.
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