Mir was a space station that operated for more than 15 years in low Earth orbit. The design was conceived under the Soviet Union, and the station continued work under Russia after the union fell apart in the early 1990s. <\/p>\n
The space station served as an important precursor to today's International Space Station. Aboard Mir, crews dealt for the first time with long-duration stays in space of more than 400 days. Health effects and psychological situations were observed and documented. <\/p>\n
In later years, NASA used Mir as a testbed for international co-operation. The agency was eager to move forward with ISS, but felt that it required experience working with Russia before continuing. As such, NASA signed an agreement to send its astronauts aboard Mir. <\/p>\n
Results from the program were mixed, with some American astronauts comparing about feeling isolated and undersupported when training overseas. Worse, by the time NASA astronauts arrived, Mir was nearing the end of its operational lifetime and experienced frequent power failures and a near-fatal fire. <\/p>\n
Astronauts generally, however, got a lot of microgravity research done during the program. Also, the experience aboard Mir gave NASA and the Russian Federal Space Agency (Roscosmos) an education on how to best work together for ISS. <\/p>\n
Extending long-term duration experience <\/p>\n
According to Enyclopedia Astronautica, Mir was intended as a successor project to the Soviet Union's Salyut series of space stations. While the United States was focused on the moon program in the 1960s and developing the shuttle in the 1970s, Russia went in another direction after the space race. <\/p>\n
The country worked on developing expertise in long-duration spaceflight, and felt that a larger space station would allow for more research in that area. Mir was originally authorized in a February 1976, then evolved by 1978 to a station with several ports for crewed Soyuz spacecraft and cargo Progress spaceships. <\/p>\n
NPO Energia began work in earnest on the station in 1979, reportedly subcontracting the responsibilities to KB Salyut because Energia was preoccupied with the Salyut, Soyuz, and Progress programs, among others. Work stalled somewhat as Russia developed a Buran space shuttle, but according to the encyclopedia, in 1984 the Soviet Union made it a priority to orbit the station in two years to coincide with the 27th Communist Party Congress in spring 1986. <\/p>\n
It took some planning adjustments, but the first module of Mir launched successfully on Feb. 20, 1986. The next step would be bringing it alive for cosmonauts to occupy it. <\/p>\n
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\nMir Space Station: Testing Long-Term Stays in Space<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"