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NASA EGS, Jacobs power up Artemis 1 vehicle to begin system checkouts in the VAB

NASA EGS, Jacobs power up Artemis 1 vehicle to begin system checkouts in the VAB
nasaspaceflight.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nasaspaceflight.com Daily Mail and Mail on Sunday newspapers.

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Stennis, SLS core stage teams reflect on Green Run campaign

Stennis, SLS core stage teams reflect on Green Run campaign
nasaspaceflight.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nasaspaceflight.com Daily Mail and Mail on Sunday newspapers.

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NASA SLS Core Stage ready for high-stakes Green Run static fire

NASA SLS Core Stage aborts high-stakes Green Run static fire
January 16, 2021
NASA’s Space Launch System (SLS) program and Core Stage prime contractor Boeing were ready for the big moment of the rocket’s Green Run campaign and the biggest moment in the 10-year old program, a static firing of the stage. After a year of test cases at the Stennis Space Center in Mississippi, visits from hurricanes, and waves of the COVID-19 pandemic, an eight-minute long, flight-duration Hot-Fire test was planned for January 16 to demonstrate the readiness of the new rocket stage for its first launch.
The firing lasted only 67.7 seconds, well short of full-duration and the minimum two minute duration firing NASA said was necessary to complete the test. The abort was triggered by a Major Component Failure indication on Engine 4. ....

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SLS Core Stage Green Run WDR countdown ends early - NASASpaceFlight.com

December 23, 2020
NASA partially completed the Green Run Wet Dress Rehearsal (WDR) test of the Space Launch System (SLS) Core Stage on the second attempt in the B-2 Test Stand at the Stennis Space Center. The test was again conducted in secrecy on 20 December, and the test team was able to fill the rocket stage with its liquid oxygen (LOX) and liquid hydrogen (LH2) propellants for the first time ever; however, a crucial, 10-minute long terminal countdown was aborted inside of the 5 minute mark when a valve failed to close within pre-set time limits.
In a statement, NASA said that despite the early end to the test the issue doesn’t appear to be with the vehicle; after draining the stage, the agency’s SLS Program and Core Stage prime contractor Boeing are now reviewing data from the test and inspecting the stage after its first propellant loading cycle while they deliberate what to do next. The 8-minute long Hot-Fire test was expected about two weeks after a fully comple ....

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