May 7 1980
From The Space Library
NASA announced selection of two firms, McDonnell Douglas and TRW, to receive parallel $1 million one-year contracts for design-definition studies of 25-kilowatt power systems for the STS. The power systems, using solar energy to support large payloads left in orbit, would be placed in a fixed orbit by the Space Shuttle to provide electric power, heat rejection, attitude control, communications, and data handling for a variety of payloads freeing the Shuttle from extended time in orbit and reducing payload cost per day in orbit. MSFC would manage the study contracts and any follow-on development flight system.. (NASA Release 80-63)
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