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STS-61-A (also known as Spacelab D-1) was the 22nd mission of NASA's Space Shuttle program. It was a scientific Spacelab mission, funded and directed by West Germany – hence the non-NASA designation of D-1 (for Deutschland-1). STS-61-A was the ninth and last successful flight of Space Shuttle Challenger before the disaster.
With its very heavy workload, the STS-61 mission was one of the most complex in the Shuttle's history. STS-61 lasted almost 11 days, and crew members made five spacewalks (extravehicular activities (EVAs)), an all-time record; even the re-positioning of Intelsat VI on STS-49 in May 1992 required only four. The flight plan allowed for two ...
After STS-115, the rescue mission designations were based on the corresponding regular mission that would be replaced should the rescue mission be needed. For example, the STS-116 rescue mission was branded STS-317, because the normal mission scheduled after STS-116 was STS-117. Should the rescue mission have been needed, the crew and vehicle ...
Kathryn D. Sullivan (Mission Specialist) The STS-61-J mission was intended to deploy the Hubble Space Telescope into orbit. The telescope was eventually launched on STS-31 in 1990, with the same crew on board (except Young, who was replaced by Loren Shriver). [16] [19] STS-61-N 4 September 1986 Discovery: Brewster H. Shaw, Jr. (Commander)
The mission lasted a total of 6 days, 2 hours, 3 minutes, and 51 seconds. STS-61-C was the last successful Space Shuttle flight before the Challenger disaster, which occurred on January 28, 1986, only 10 days after Columbia ' s return. Accordingly, commander Gibson later called the STS-61-C mission "The End of Innocence" for the Shuttle Program ...
Gibson was the commander of the STS-61-C mission, and the first of only four people under the age of 40 to command an STS Orbiter. The seven-man crew on board the Orbiter Columbia launched from the Kennedy Space Center on January 12, 1986. During the six-day flight, the crew deployed the SATCOM Ku satellite and conducted experiments in ...
The GSOC then accompanied two crewed missions: During STS-61-A in 1985, GSOC took over the control of the Spacelab, while flight control continued from NASA's Lyndon B. Johnson Space Center was acquired. For the first time, the Payload Operation Control Center (POCC) of a US space mission was directed outside of NASA.
NASA flew a number of Space Shuttle missions in the early and mid-1980s with designations derived from STS-61. The ambiguity was the result of a NASA decision to change designation of missions starting in Fiscal Year 1984. Previously, missions were designated in the order they were flown (i.e., STS-9 indicated the ninth shuttle mission).