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National Aeronautics and Space Administration
RS-25 Engine Test

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Mission brief
The flight at a glance.
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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Planned timings relative to the target. These steps do not indicate live progress.
A flight sequence has not been published for this mission.
