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SECOND SLS HOT FIRE TEST, Mar 18, 2021, Stennis Space Ctr, MS

Update, March 15: NASA says it is targeting a two-hour window, 3:00-5:00 pm ET, on March 18 for the test.  NASA TV coverage will begin 30 minutes before the test.  The exact time will be announced later.  A press conference will be held approximately two hours after the test.

Update, March 10:  The test has been rescheduled for March 18.

Update, Feb. 22:  NASA has postponed the test due an issue with a valve.  A new date was not announced.

Update:  NASA confirms the test will take place on February 25.  The nominal start time is 4:00 pm Central Time (5:00 pm Eastern), but officials say it could start as much as an hour earlier if preparations go smoothly.

Original Entry: NASA is targeting February 25, 2021 for the second Hot Fire test of the Space Launch System’s core stage at Stennis Space Center, MS.  The date will be confirmed after a test readiness review.

The 8-minute test was cut short during the first attempt on January 16.


March 18
3:00 pm - 11:00 pm