Watch NASA’s Artemis SLS Rocket Booster full-scale test


Teams installed the Flight Assistance Booster (FSB) for later versions of the solid rocket boosters for NASA’s Space Launch System (SLS) rocket at the Promontory, Utah test bed. NASA and Northrop Grumman, the main contractor for the SLS booster, will perform a full two-minute test with the booster on September 2. Engineers will use the data from the test to assess new materials and developments for the SLS rockets that will power NASA’s Artemis lunar missions beyond Artemis III. Credit: Northrop Grumman

NASA diffusera un Space Launch System (SLS) Full-scale rocket amplification test at 2:40 p.m. EDT Wednesday, September 2 on NASA Television and the agency’s website, followed by a media teleconference.

The Flight Support Booster-1 test builds on three full-scale development test shots and two qualifying test shots that NASA and Northrop Grumman passed with the solid five-segment rocket engine in preparation for the first three missions. Artemis.

SLS Flight Assistance Booster

To support future flights of NASA’s powerful SLS (Space Launch System) rocket, NASA and Northrop Grumman, the main subcontractor of the SLS booster, will conduct a full-scale test of the Flight Support Booster (FSB-1). ) in Promontory, Utah, on September 2. The SLS rocket uses two solid five-segment rocket boosters to help launch NASA’s Artemis missions to the moon. Credit: NASA / Kevin O’Brien

The September 2 test at Northrop Grumman’s facility in Promontory, Utah, will help teams assess potential new materials, processes, and improvements for boosters that will power deep space missions beyond Artemis III. The test will also provide another opportunity to assess the manufacture and performance of the engines.

Five Segment Solid Rocket Booster

The SLS Booster is the largest and most powerful solid rocket propellant ever built for flight. Standing 17 stories tall and burning around six tonnes of thruster per second, each thruster generates more thrust than 14 giant four-engine commercial airliners. Together, the dual SLS boosters provide over 75% of total SLS thrust at launch. Credit: NASA

Approximately one hour and 30 minutes after the test, the media will have the opportunity to participate in a teleconference with:

  • Bruce Tiller, director of the SLS Booster Office at NASA’s Marshall Space Flight Center in Huntsville, Alabama
  • Charlie Precourt, vice president of propulsion systems at Northrop Grumman, at Promontory

During the broadcast, anyone can submit questions to Twitter using the hashtag #AskNASA. Updates on the test will be posted on the Artemis blog.

Powered by four RS-25 engines and two boosters, the SLS rocket produces more than 8 million pounds of thrust to power missions to the Moon and ultimately Mars. The two solid five-segment rocket boosters produce over 75% of the rocket’s thrust during the first two minutes of ascent.

Stack SLS Boosters

Two 177-foot-tall solid rocket boosters help launch NASA’s Space Launch System (SLS) rocket during Artemis missions to the moon. Each thruster is made up of several large structures that are assembled and prepared for launch by the Exploration Ground Systems team at the agency’s Kennedy Space Center in Florida. Credit: NASA / Kevin O’Brien

This final booster test will take place as crews at NASA’s Kennedy Space Center in Florida begin assembling boosters for Artemis I, the first launch of NASA’s SLS and Orion spacecraft.

The SLS rocket, Orion spacecraft, gateway, and human landing system are part of NASA’s backbone for deep space exploration. The Artemis program is the next step in human space exploration and is part of America’s larger exploration approach from Moon to Mars, in which astronauts will explore the Moon. The experience gained there will enable humanity’s next giant leap: sending humans to Mars.


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