SLS FSB-1 Mission Page

SLS Five Segment Booster (FSB-1)

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

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

Video Gallery: FSB-1

Facts and History

SLS FSB-1

QM-2 Test

The largest solid rocket motor ever built for flight will help launch NASA’s Space Launch System (SLS) on deep space exploration missions. SLS is an advanced, heavy-lift launch vehicle that provides an entirely new capability for science and human exploration beyond Earth’s orbit.

sls launch rendering

Largest solid rocket motor ever built for flight. NASA’s Space Launch System (SLS) is an advanced, heavy-lift launch vehicle that provides an entirely new capability for science and human exploration beyond Earth’s orbit.

Case Use History SLS FSB-1.

DM-3 Test Fire

NASA’s Space Launch System (SLS) solid rocket booster is based on three decades of knowledge and experience gained with the space shuttle booster, and improved with the latest technology.

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.