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. […]

Never A Better Dollar: Remembering Gemini XI, OTD in 1966 (Part 1)

As @NASA_SLS readies to send humans again beyond Earth orbit, AmericaSpace looks back at #GeminiXI in Sept 1966, which remains the highest non-lunar mission ever flown by humans. […]

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. […]

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. […]

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. […]

Critical Artemis-1 SLS Component Arrives in Florida

Another critical component for NASA’s SLS heavylift rocket arrived in Florida on Wednesday, for launch on the Artemis-1 mission late next year. […]