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. […]

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 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. […]

NASA Wraps Up Third SLS Core Stage Green Run Test, Eyes Test Fire This Fall

The SLS core stage is installed into the B-2 Test Stand at NASA’s John Stennis Space Center in Bay St. Louis, Miss., in January 2020. Photo Credit: NASA

NASA engineers are approaching the midpoint of “Green Run” testing as the Space Launch System (SLS) core stage inches ever closer to a planned full-mission-duration static-firing […]

As Structural Testing Concludes, Orion and SLS Look Ahead to Artemis-1

The Orion Structural Test Article (STA) undergoes a critical jettison test of panels surrounding the service module last month at Lockheed Martin’s facility near Denver, Colo. Photo Credit: NASA

Last week’s completion of parallel structural testing campaigns for Orion and the Space Launch System (SLS) is a critical step towards the maiden voyage of […]

SLS Testing Continues for NASA's First Artemis Moon Mission

Engineers at Stennis Space Center are back to work putting the SLS core stage through a Green Run test campaign (left), while workers at Marshall are wrapping up a 3-year structural qualification test series. Photos: NASA

While a pandemic and social unrest have swept the nation, NASA is staying focused on their goal of […]

Busy Summer of SLS Engine Testing on the Stennis A1 Test Stand

RS-25 SLS test fire Aug 9, 2017. Credit: NASA

Testing of the new brain for the RS-25 engines that will help power the colossal Space Launch System (SLS) rocket uphill from launch pad 39B in the coming years has been on a roll at NASA’s Stennis Space Center all summer, and they just […]

First SLS Flight Engine Roars to Life for Testing at Stennis Space Center

The first SLS flight engine roared to life for testing at Stennis Space Center on March 10, 2016. Intended for the first crewed SLS mission, EM-2, the engine last saw action powering Space Shuttle Endeavor into orbit in 2011 on STS-134. Photo Credit: NASA

The first of 14 former space shuttle main engines, […]