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Preparing the latest launch data.
Event
NASA is conducting the third hot fire as part of the final round of certification testing ahead of production of an updated set of the engines for the SLS (Space Launch System) rocket. Crews will gimbal, or pivot, the RS-25 engine around a central point to test "steering" of the @NASA_SLS rocket.

RS-25 Engine Test is the event record for catalog id 901.
NASA is conducting the third hot fire as part of the final round of certification testing ahead of production of an updated set of the engines for the SLS (Space Launch System) rocket. Crews will gimbal, or pivot, the RS-25 engine around a central point to test "steering" of the @NASA_SLS rocket.
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