[NASA] NASA Stennis Propulsion Testing Contributes to Artemis Missions

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Preparations for Next Moonwalk Simulations Underway (and Underwater)

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Crews at NASA’s Stennis Space Center work Jan. 21-22, 2020, to install the first flight core stage of NASA’s powerful SLS (Space Launch System) rocket on the B-2 side of the Thad Cochran Test Stand for a Green Run test series. Operations required crews to lift the massive core stage from a horizontal position into a vertical orientation, a procedure known as “break over.” Once the stage was oriented in a horizontal position on the night of Jan. 21, crews tied it in place to await favorable wind conditions. The following morning, crews began the process of raising, positioning, and securing the stage on the stand. 

NASA/Stennis

The future is now at NASA’s Stennis Space Center near Bay St. Louis, Mississippi – at least when it comes to helping power the next great era of human space exploration.  

NASA Stennis is contributing directly to the agency’s effort to land the first woman, the first person of ******, and its first international partner astronaut on the Moon – for the benefit of all humanity. Work at the nation’s largest – and premier – propulsion test site will help power SLS (Space Launch System) rockets on future Artemis missions to enable long-term lunar exploration and prepare for the next giant leap of sending the first astronauts to Mars.  

“We play a critical role to ensure the safety of astronauts on future Artemis missions,” NASA Stennis Space Center Director John Bailey said. “Our dedicated workforce is excited and proud to be part of NASA’s return to the Moon.”  

NASA Stennis achieved an RS-25 testing

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in April at the Fred Haise Test Stand. Completion of the successful RS-25 certification series provided critical data for L3Harris (formerly known as Aerojet Rocketdyne) to produce new RS-25 engines, using modern processes and manufacturing techniques. The engines will help power SLS rockets beginning with Artemis V.   

The first four Artemis missions are using modified space shuttle main engines also tested at NASA Stennis. For each Artemis mission, four RS-25 engines, along with a pair of solid rocket boosters, power the SLS rocket to produce more than 8.8 million pounds of total combined thrust at liftoff.   

NASA’s powerful SLS rocket is the only rocket that can send the Orion spacecraft, astronauts, and cargo to the Moon on a single mission.   

Following key test infrastructure

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near the Fred Haise Test Stand, NASA Stennis will be ready for more RS-25 engine testing. NASA has awarded L3Harris contracts to provide 24 new engines, supporting SLS launches for Artemis V through Artemis IX.  

“Every RS-25 engine that launches Artemis to space will be tested at NASA Stennis,” said Joe Schuyler, director of the NASA Stennis Engineering and Test Directorate. “We take pride in helping to power this nation’s human space exploration program. We also take great care in testing these engines because they are launching astronauts to space. We always have safety in mind.” 

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NASA’s Stennis Space Center conducts a successful hot ***** of the first flight core stage of NASA’s powerful SLS (Space Launch System) rocket on the B-2 side of the Thad Cochran Test Stand on March 18, 2021. NASA employees, as well as NASA astronauts Jessica Meir and Zena Cardman, watched the milestone moment. The hot ***** of more than eight minutes marked the culmination of a Green Run series of tests on the stage and its integrated systems.  

NASA/Stennis

In addition to RS-25 testing, preparations are ongoing at the Thad Cochran Test Stand (B-2) for future testing of the agency’s new exploration upper stage. The more powerful SLS second stage, which will send astronauts and cargo to deep space aboard the Orion spacecraft, is being built at NASA’s Michoud Assembly Facility in New Orleans.   

Before its first flight, the NASA Stennis test team will conduct a series of Green Run tests on the new stage’s integrated systems to demonstrate it is ready to fly. Crews completed installation of a key component for testing the upper stage in October. The lift and installation of the 103-ton interstage simulator component, measuring 31 feet in diameter and 33 feet tall, provided crews best practices for moving and handling the actual flight hardware when it arrives to NASA Stennis.   

The exploration upper stage Green Run test series will culminate with a hot ***** of the stage’s four RL10 engines, made by L3Harris, the lead SLS engines contractor.  

“All of Mississippi shares in our return to the Moon with the next great era of human space exploration going through NASA Stennis,” Bailey said. “Together, we can be proud of the state’s contributions to NASA’s great mission.”   

For information about NASA’s Stennis Space Center, visit:  

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Last Updated

Nov 13, 2024

Editor

NASA Stennis Communications

Contact

C. Lacy Thompson

*****@*****.tld / (228) 688-3333

Location

Stennis Space Center

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