SLS Mobile Launcher Rolls to Launch Pad 39B for Testing

@NASAGroundSys moves one step closer in its “Path to the Pad”, rolling Mobile Launcher (ML) out to Pad 39B for @NASA_SLS preps. […]

SLS Core Stage Completes Sixth Green Run Test, Eyes Early Nov Test-Fire

@NASA_SLS has completed its 6th of 8 #GreenRun tests of the Artemis-1 core stage. Mark your calendars for Hot Fire Test in early Nov. […]

Green Run Test 6 Set to Begin Next Week, As Stennis Aims for Early November Hot Fire

@NASAStennis teams are ready to begin the first of three “operational” Green Run tests next week, leading to the long-awaited Hot Fire of @NASA_SLS #Artemis core stage in early Nov. […]

Green Run Testing Enters Home Stretch, Countdown Simulation to Begin NET 19 September

@NASA_SLS teams are working to finish the 5th of 8 Green Run tests as early as next week, with countdown sim due to start NET 19 Sept & engine hot-fire in Oct. […]

FSB-1 Test Fire Completed for Future SLS Artemis Deep-Space Missions

@NASA_SLS & @NorthropGrumman have successfully fired the #FSB1 test motor, ahead of #Artemis1 […]

Watch NASA, Northrop Grumman Test Fire SLS Booster Wednesday

@NorthropGrumman & @NASA are primed for the #FSB1 booster test for @NASA_SLS at 2:40 p.m. EDT Wednesday. […]

SLS Green Run Testing to Resume Monday, Following Hurricane Laura

@NASAStennis & @NASA_SLS teams may resume Green Run testing with Test 5 of the Artemis-1 core stage as early as next week. […]

NASA Pauses SLS Green Run Testing, Hot-Fire Test Anticipated By November

@NASAStennis has paused its @NASA_SLS #Artemis1 Green Run testing, due to the steady progress of Tropical Storms Marco & Laura. Hot-fire test still expected by Nov. […]

NASA Evaluates New SLS Booster Materials in Critical Test

@NASA completes a significant sub-scale test of solvent & nozzle materials for the @NorthropGrumman Solid Rocket Booster (SRB). Two of these boosters will power @NASA_SLS off the pad in late 2021. […]

NASA Hits Green Run Midpoint, Eyes End-of-Year SLS Static Fire

@NASA_SLS core stage testing has reached its midpoint, passing the 4th of 8 critical Green Run tests. […]