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 […]

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. […]

Aerojet Rocketdyne Completes Propulsion Hardware for Artemis-2 Crewed Lunar Mission

@AerojetRdyne has completed its rocket engines & motors that will propel Artemis-2 & humans back to the Moon. […]

Boosters for First SLS Artemis Moon Rocket Arrive at KSC

With its pair of solid rocket boosters providing around 75 percent of the liftoff thrust, NASA’s Space Launch System (SLS) promises to be the world’s most powerful rocket and the only booster capable of sending a human-rated spacecraft to the Moon by 2024. The massive boosters, pictured here undergoing a test fire, will push […]

NASA Orders 18 More RS-25 Engines for SLS Moon Rocket, at $1.79 Billion

The first SLS rocket for NASA’s Artemis moon missions rolls out of its assembly facility. Photo: NASA

With four years to go before human bootprints again dot the dusty surface of the Moon, NASA has awarded a contract worth $1.79 billion to Sacramento, Calif.-headquartered Aerojet Rocketdyne to fabricate 18 additional RS-25 engines for the […]