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

NASA has been conducting a series of hot fire tests to certify RS-25 engines for use on the Space Launch System rockets that ...

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 ...

Components for the next test series that will help certify design changes and modernization of manufacturing techniques are already assembled on a development engine at the Stennis Space Center in ...