In the last few seconds of the countdown, it arms the SRB ignition ... rest of the SLS Block 1 vehicle using already-flown or already-upgraded Space Shuttle engines and Solid Rocket Boosters.

Most recently, the SLS completed ... except engine ignition. Unfortunately, the test was plagued with technical issues, and after three attempts, it was decided to bring the rocket back into ...

Northrop Grumman Innovation Systems continues production of solid rocket booster (SRB) segments for the first launches of NASA’s Space Launch System ... pressure spike at ignition of each ...

The January 16th “Green Run” test of NASA’s Space Launch System (SLS ... Tank and strap on a pair of similarly elongated Solid Rocket Boosters. In place of the complex winged Orbiter ...

which service the two solid rocket boosters and supports the 5.75 million pounds (2,610 tons) that the Space Launch System ...

The massive core section of the SLS has shuttle heritage in it Nasa has finished assembling the main structural components for its largest rocket since the Apollo-era Saturn V. Engineers at the ...

NASA’s first big test of the core stage of its Space Launch System rocket had to be cut dramatically short due to what was initially described as a “Major Component Failure.” Now ...

The primary contractor for the Space Launch System rocket, Boeing, is preparing for the possibility that NASA cancels the long-running program. On Friday, with less than an hour's notice ...