SLS Five Segment Booster (FSB-1)

Launching 5.5 million pounds is impossible. Until it's not.

Twilit sky of a five segment rocket motor resting on platform under a star-filled sky

SLS Five Segment Booster FSB-1 Facts and History

QM-2 Test

Static Test Data Sheet

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SLS Booster Data Sheet

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SLS Case History

Case Use History SLS FSB-1.

Horizontal rocket moter in desert environment during test fire, with smoke and flames coming out of the back of rocket.

NASA SLS Fact Sheet

Engineers work to remove and transport the center segment from the casting pits at the Promontory facility.

NASA FSB-1

Media Resources

A rocket motor at test site preparing for static test firing in front of mountains

Artemis

Learn more about how we are supporting Artemis.

Motor during test fire — B-2 Images and Videos
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FSB-1 Static Test

FSB-1 firing at the Promontory, Utah, facility’s Test Area.

Video Gallery: FSB-1

A engineer stands in between the center of a rocket motor inside a facility — B-2 Images and Videos
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SLS Five Segment Booster

Engineers mate two segments of the five-segment booster.

Mission Updates

Our FSB-1 static test occurred on September 2. See the full static test below.

See video of test here Read the FSB-1 news release

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