SLS FSB-1 Mission Page

SLS Five Segment Booster (FSB-1)

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

Facts and History


QM-2 Test

Static Test Data Sheet

The largest solid rocket motor ever built for flight will help launch NA…

sls launch rendering

SLS Booster Data Sheet

Largest solid rocket motor ever built for flight. NASA’s Space Launch Sy…

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

NASA’s Space Launch System (SLS) solid rocket booster is based on three …

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


Media Resources

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


Learn more about how we are supporting Artemis.

Video Gallery: FSB-1

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