Space Shuttle Endeavour, designated OV-105, was the fifth and last operational Space Shuttle orbiter. The United States Congress approved its construction in 1987 to replace Challenger, and NASA built much of it from structural spares made for Discovery and Atlantis rather than refit Enterprise. Rockwell International delivered it in May 1991. It first flew on STS-49 in May 1992 and made 25 missions, the last being STS-134 in May 2011. It cost 1.7 billion dollars to build. Schools across the United States took part in a national competition that gave the orbiter its name, after the research ship HMS Endeavour.
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Source Space Shuttle Endeavour (Wikipedia)
Of Make
Source Space Shuttle Endeavour (Wikipedia)
Sources
1. Space Shuttle Endeavour (Wikipedia)
Lead, first mission
It embarked on its first mission, STS-49, in May 1992
Lead
is a retired orbiter
History
Endeavour was delivered by Rockwell International Space Transportation Systems Division in May 1991
Lead, approval
The United States Congress approved the construction of Endeavour in 1987
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