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

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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.

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NASA SLS Fact Sheet

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NASA FSB-1

Media Resources

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Artemis

Learn more about how we are supporting Artemis.

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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.

FSB-1 Static Test

Northrop Grumman FSB-1 Booster Test for NASA’s SLS

FSB-1 Static Test

The five-segment NASA Space Launch System rocket booster readies for test firing on September 2.

FSB-1 Static Test

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

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Video Gallery: FSB-1

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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.

SLS Five Segment Booster

Motor segments are transported from Final Assembly to the test bay for mating.

SLS Five Segment Booster

A forward segment of an SLS booster moves into the test bay.

SLS Five Segment Booster

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

SLS Five Segment Booster (FSB-1)