Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

NASA’s Space Launch ... Run design verification campaign at Stennis has taken longer than hoped, but after over a year in the stand at Stennis, the Hot-Fire test provides one of the last ...

17 with a full-duration hot fire of the RS-25 engine on the Fred Haise Test Stand at NASA's Stennis Space Center near Bay St. Louis, Mississippi. Data collected from the test series will be used ...