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NASA Conducts SLS Rocket Core Stage Test for Artemis I Moon Mission

 

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA conducted a hot fire Saturday of the core stage for the agency’s Space Launch System (SLS) rocket that will launch the Artemis I mission to the Moon. The hot fire is the final test of the Green Run series.

The test plan called for the rocket’s four RS-25 engines to fire for a little more than eight minutes – the same amount of time it will take to send the rocket to space following launch. The team successfully completed the countdown and ignited the engines, but the engines shut down a little more than one minute into the hot fire.

The core stage for the first flight of NASA’s Space Launch System rocket is seen in the B-2 Test Stand during a hot fire test Jan. 16, 2021, at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. (NASA Television)

The core stage for the first flight of NASA’s Space Launch System rocket is seen in the B-2 Test Stand during a hot fire test Jan. 16, 2021, at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. (NASA Television)

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NASA to proceed with Green Run Hot Fire of Space Launch System Rocket

 

NASA - National Aeronautics and Space AdministrationHuntsville, AL – NASA is targeting the final test in the Green Run series, the hot fire, for as early as January 17th, 2021. The hot fire is the culmination of the Green Run test series, an eight-part test campaign that gradually brings the core stage of the Space Launch System (SLS) — the deep-space rocket that will power the agency’s next-generation human Moon missions — to life for the first time.

NASA conducted the seventh test of the SLS core stage Green Run test series – the wet dress rehearsal – on December 20th at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, and marked the first time cryogenic, or super cold, liquid propellant was fully loaded into, and drained from, the SLS core stage’s two immense tanks.

Fully loading the propellant and detecting no leaks is a major milestone for the Green Run test series. A total of 114 tanker trucks delivered propellant to six propellant barges next to the B-2 Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The barges deliver more than 733,000 gallons of liquid hydrogen and liquid oxygen to the core stage for NASA’s Space Launch System (SLS) rocket as part of the seventh test in the Green Run test series. (NASA)

Fully loading the propellant and detecting no leaks is a major milestone for the Green Run test series. A total of 114 tanker trucks delivered propellant to six propellant barges next to the B-2 Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The barges deliver more than 733,000 gallons of liquid hydrogen and liquid oxygen to the core stage for NASA’s Space Launch System (SLS) rocket as part of the seventh test in the Green Run test series. (NASA)

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NASA Building Core Stages for Second, Third Artemis Flights

 

NASA - National Aeronautics and Space AdministrationWashington, D.C. – Technicians are simultaneously manufacturing NASA’s Space Launch System (SLS) core stages for the Artemis II and Artemis III lunar missions at NASA’s Michoud Assembly Facility in New Orleans.

The core stage for the deep space rocket consists of two huge propellant tanks, four RS-25 engines, and miles of cabling for the avionics systems and flight computers.

All the main core stage structures for Artemis II, the first mission with astronauts, have been built and are being outfitted with electronics, feedlines, propulsion systems, and other components.

Intertank Assembly on Thursday, September 17, 2020. (NASA)

Intertank Assembly on Thursday, September 17, 2020. (NASA)

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NASA’s Stennis Space Center conducts SLS Core Stage Green Run Tests Critical Systems For Artemis I

 

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA is resuming work on a series of tests to bring the Space Launch System (SLS) rocket core stage to life for the first time, allowing engineers to evaluate the new complex stage that will launch the Artemis I lunar mission.

In January, engineers began activating the stage’s components one by one over several months through a series of initial tests and functional checks designed to identify any issues. Those tests and checks collectively called Green Run will culminate in a test fire replicating the stage’s first flight.

The massive core stage for NASA’s Space Launch System (SLS) rocket is in the B-2 Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, for the core stage Green Run test series. NASA and Boeing, the core stage lead contractor, installed the stage into the test stand in January 2020. (NASA)

The massive core stage for NASA’s Space Launch System (SLS) rocket is in the B-2 Test Stand at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, for the core stage Green Run test series. NASA and Boeing, the core stage lead contractor, installed the stage into the test stand in January 2020. (NASA)

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NASA orders more SLS Rocket Engines for Artemis Missions to the Moon

 

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA has awarded a contract to Aerojet Rocketdyne of Sacramento, California, to manufacture 18 additional Space Launch System (SLS) RS-25 rocket engines to support Artemis missions to the Moon.

The follow-on contract to produce 18 engines is valued at $1.79 billion. This includes labor to build and test the engines, produce tooling and support SLS flights powered by the engines. This modifies the initial contract awarded in November 2015 to recertify and produce six new RS-25 engines and brings the total contract value to almost $3.5 billion with a period of performance through September 30th, 2029, and a total of 24 engines to support as many as six additional SLS flights.

NASA has awarded a contract to Aerojet Rocketdyne of Sacramento, California, to manufacture 18 additional Space Launch System (SLS) RS-25 rocket engines to support Artemis missions to the Moon. The four RS-25 engines, shown here, are attached to the SLS core stage that will send the Artemis I mission to the Moon. Currently, the stage is undergoing a series of Green Run tests in a test stand at Stennis Space Center near Bay St. Louis, Mississippi.  (NASA/Jude Guidry)

NASA has awarded a contract to Aerojet Rocketdyne of Sacramento, California, to manufacture 18 additional Space Launch System (SLS) RS-25 rocket engines to support Artemis missions to the Moon. The four RS-25 engines, shown here, are attached to the SLS core stage that will send the Artemis I mission to the Moon. Currently, the stage is undergoing a series of Green Run tests in a test stand at Stennis Space Center near Bay St. Louis, Mississippi. (NASA/Jude Guidry)

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NASA to order additional SLS Rocket Stages for Future Artemis Missions

 

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA has taken the next steps toward building Space Launch System (SLS) rocket core stages to support as many as 10 Artemis missions, including the mission that will carry the first woman and next man to the Moon by 2024.

The agency intends to work with Boeing, the current lead contractor for the core stages of the rockets that will fly on the first two Artemis missions, for the production of SLS rockets through the next decade.

NASA finished assembling the main structural components for the Space Launch System (SLS) rocket core stage on Sept. 19. Engineers at NASA’s Michoud Assembly Facility in New Orleans fully integrated the last piece of the 212-foot-tall core stage by adding the engine section to the rest of the previously assembled structure. (NASA/Steven Seipel)

NASA finished assembling the main structural components for the Space Launch System (SLS) rocket core stage on Sept. 19. Engineers at NASA’s Michoud Assembly Facility in New Orleans fully integrated the last piece of the 212-foot-tall core stage by adding the engine section to the rest of the previously assembled structure. (NASA/Steven Seipel)

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NASA successfully tests RS-25 engines that will power Space Launch System rockets

 

NASA Stennis Space Center 

NASA - National Aeronautics and Space AdministrationBay St. Louis, MS – NASA is a step closer to returning astronauts to the Moon in the next five years following a successful engine test on Thursday at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The latest “hot fire” was the culmination of four-plus years of testing for the RS-25 engines that will send the first four Space Launch System (SLS) rockets into space.

“This completes four years of focused work by an exceptional Stennis test team,” Stennis Director Rick Gilbrech said. “It represents yet another chapter in Stennis’ long history of testing leadership and excellence in support of this nation’s space exploration efforts. Everyone involved should feel proud of their work and contributions.”

NASA conducts a test of RS-25 flight engine No. 2062 on April 4th on the A-1 Test Stand at Stennis Space Center near Bay St. Louis, MS. The test marked a major milestone in NASA’s march forward to Moon missions. All 16 RS-25 engines that will help power the first four flights of NASA’s new Space Launch System rocket now have been tested. (NASA/SSC)

NASA conducts a test of RS-25 flight engine No. 2062 on April 4th on the A-1 Test Stand at Stennis Space Center near Bay St. Louis, MS. The test marked a major milestone in NASA’s march forward to Moon missions. All 16 RS-25 engines that will help power the first four flights of NASA’s new Space Launch System rocket now have been tested. (NASA/SSC)

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NASA completes Second RS-25 Engine Hot Fire Test of 2018

 

NASA Headquarters

NASA - National Aeronautics and Space AdministrationWashington, D.C. – NASA followed up the first RS-25 test of 2018 with a second hot fire of the Space Launch System (SLS) engine on February 1st at Stennis Space Center near Bay St. Louis, Mississippi. The full-duration, 365-second certification test of another RS-25 engine flight controller on the A-1 Test Stand at Stennis comes about two weeks after a January 16th hot fire.

The test marks completion of green run testing for all four of the new RS-25 engine flight controllers needed for the second flight of NASA’s SLS rocket. NASA is building SLS to send humans to such deep-space destinations as the moon and Mars.

NASA preforms second hot fire of the Space Launch System (SLS) engine on February 1st at Stennis Space Center near Bay St. Louis, Mississippi. (NASA)

NASA preforms second hot fire of the Space Launch System (SLS) engine on February 1st at Stennis Space Center near Bay St. Louis, Mississippi. (NASA)

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NASA’s Space Launch System rocket’s upper stage engine packs a punch

 

Written by Kim Henry
NASA’s Marshall Space Flight Center

NASA - National Aeronautics and Space AdministrationHuntsville, AL – The thundering roar of a rocket leaving the launch pad is a familiar sight. Much less familiar is the job of the smaller upper stage engines that do their job mostly beyond eye and camera range, but give spacecraft the big, in-space push they need to venture into deep space.

NASA’s new rocket, the Space Launch System (SLS), will rely on a proven upper stage engine – the RL10 – for its first mission with the agency’s Orion spacecraft in late 2018. The SLS Block 1 rocket will use one RL10B-2 engine, the same engine currently used by the Delta IV rocket, as a part of the interim cryogenic propulsion stage (ICPS).

An expanded view of the Block IB configuration of NASA's Space Launch System rocket, including the four RL10 engines. (NASA)

An expanded view of the Block IB configuration of NASA’s Space Launch System rocket, including the four RL10 engines. (NASA)

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NASA conducts successful test of RS-25 Rocket Engine to be used for Journey to Mars

 

NASA’s Stennis Space Center

NASA - National Aeronautics and Space AdministrationBay St. Louis, MS – NASA engineers successfully conducted a development test of the RS-25 rocket engine Thursday, August 18th at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The RS-25 will help power the core stage of the agency’s new Space Launch System (SLS) rocket for the journey to Mars.

A variety of NASA officials and contractor representatives, as well as social and traditional media members, gathered to watch the 420-second test of RS-25 engine No. 0528. NASA is developing the SLS to send humans further into deep space than they have ever traveled, including on the journey to Mars.

On Thursday, August 18th, NASA tested the RS-25 rocket engine. The rocket will be the core power for NASA's Space Launch System for the Journey to Mars. (NASA)

On Thursday, August 18th, NASA tested the RS-25 rocket engine. The rocket will be the core power for NASA’s Space Launch System for the Journey to Mars. (NASA)

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