NASA Television coverage of the Space Launch System “Green Run” hot-fire engine test will begin at 3:45 p.m. EDT.
NASA Television Will Begin at 3:45 P.M. EDT

NASA Television coverage of the Space Launch System “Green Run” hot-fire engine test will begin at 3:45 p.m. EDT.
Engineers have completed tanking for the hot fire test of NASA’s Space Launch System (SLS) rocket core stage at the agency’s Stennis Space Center, and the countdown is proceeding normally. The liquid hydrogen tank holds 537,000 gallons of liquid hydrogen, cooled to minus 423 degrees Fahrenheit. The liquid oxygen tank holds 196,000 gallons of liquid oxygen, cooled to minus 297 degrees Fahrenheit. After …
The test team conducted a pre-test briefing in the Test Control Center at the B test complex at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, and gave a “go” to proceed with testing and to fill the propellant tanks. Over the next several hours, the teams will monitor the systems and load more than 700,000 gallons of cryogenic, or supercooled, liquid oxygen and …
During NASA’s Green Run hot fire test, the team will be especially interested in several key operations when testing the Space Launch System (SLS) rocket core stage under conditions it may experience during a variety of deep space missions. Green Run, an end-to-end system test of the core stage with Artemis I flight hardware, will …
Engineers have initiated power up of the flight computes and avionics for the Artemis I core stage. This begins the countdown for the hot fire test with the core stage of NASA’s Space Launch System (SLS) rocket scheduled for Thursday, March 18. Before the test, the management team in the Test Control Center at the …
NASA is targeting Thursday, March 18 for the second hot fire of the Space Launch System (SLS) rocket’s core stage at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. After performing tests to demonstrate that a recently repaired liquid oxygen pre-valve was working, the team has continued to prepare the core stage, its four …
Leerlo en español aquí. Stacking is complete for the twin Space Launch System (SLS) solid rocket boosters for NASA’s Artemis I mission. Over several weeks, workers used one of five massive cranes to place 10 booster segments and nose assemblies on the mobile launcher inside the Vehicle Assembly Building (VAB) at NASA’s Kennedy Space Center in …
Engineers have successfully repaired a liquid oxygen valve on the Space Launch System rocket’s core stage with subsequent checks confirming the valve to be operating properly. The team plans to power up the core stage for remaining functional checks later this week before moving forward with final preparations for a hot fire test in mid-March …
NASA’s Space Launch System (SLS) solid rocket boosters have grown taller with the addition of the fifth and final pair of motor segments in preparation for the launch of Artemis I later this year. At NASA’s Kennedy Space Center in Florida, engineers with Exploration Ground Systems lowered the final solid rocket booster into place on …
The Space Launch System (SLS) rocket’s interim cryogenic propulsion stage (ICPS) moved into the Multi-Payload Processing Facility February 18, 2021, at NASA’s Kennedy Space Center in Florida alongside one of its flight partners for the Artemis I mission, the Orion spacecraft. Both pieces of hardware will undergo fueling and servicing in the facility ahead of …