Successful test of SLS rocket booster = Amazing video of ground mounted rocket! @NASA_SLS

NASA successfully tested the rocket booster for it’s Space Launch System (SLS). More info here.

The largest, most powerful rocket booster ever built successfully fired up Wednesday for a major-milestone ground test in preparation for future missions to help propel NASA’s Space Launch System (SLS) rocket and Orion spacecraft to deep space destinations, including an asteroid and Mars.

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@NASA_Orion spacecraft test flight updates via @NASA twitter account #JourneyToMars