Exploration Mission 1
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|Exploration Mission 1|
|Mission name||Exploration Mission 1|
|Spacecraft type||Orion MPCV|
|Launch vehicle||SLS Block 1|
|Launch pad||KSC LC-39B|
|Launch date||December 17, 2017|
Exploration Mission 1 or EM-1 (previously known as Space Launch System 1 or SLS-1) is the first planned flight of the Space Launch System and the second uncrewed test flight of the Orion Multi-Purpose Crew Vehicle. Set to launch on December 17, 2017 from Launch Complex 39B at the Kennedy Space Center, the Orion spacecraft would perform a circumlunar trajectory during the seven day mission. The Block 1 version of SLS used on this mission will consist of two five-segment Solid Rocket Boosters, four RS-25D engines built for the Space Shuttle program and an Interim Cryogenic Propulsion Stage. EM-1 is intended to demonstrate the integrated spacecraft systems prior to a crewed flight and demonstrate a high speed reentry (11 km/s) on Orion's thermal protection system.
On January 16, 2013, NASA announced that the European Space Agency would build Orion's service module based on its Automated Transfer Vehicle, so the flight could also be regarded as a test of ESA hardware as well as American.
- "Orion's First Test Flight Offers Space Launch System a First Look at Hardware Operation, Integration". NASA. 29 June 2012. Retrieved 21 July 2012.
- Bergin, Chris (23 February 2012). "Acronyms to Ascent – SLS managers create development milestone roadmap". NASASpaceFlight (not associated with NASA). Retrieved 14 July 2012.
- Hill, Bill (March 2012). "Exploration Systems Development Status". NASA Advisory Council. Retrieved 21 July 2012.
- Bergin, Chris (14 June 2012). "NASA teams evaluating ISS-built Exploration Platform roadmap". NASASpaceFlight (not associated with NASA). Retrieved 21 July 2012.
- Singer, Jody (25 April 2012). "Status of NASA’s Space Launch System". NASA Marshall Space Flight Center. Retrieved 5 August 2012.
- "NASA Signs Agreement for a European-Provided Orion Service Module". NASA. 2013-01-16. Retrieved 2013-03-22.
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