First Artemis SLS Rocket Stage Loaded on Pegasus Barge

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The first Space Launch System (SLS) rocket core stage for NASA’s Artemis program completed manufacturing work at NASA’s Michoud Assembly Facility in New Orleans and was loaded onto the agency’s Pegasus barge on Jan. 8 for delivery to NASA’s Stennis Space Center near Bay St. Louis, Mississippi. “NASA’s Space Launch System core stage is part of the Artemis program, which is a national asset,” said NASA Deputy Administrator Jim Morhard. “The SLS rocket was built to deliver American astronauts and maximum payloads to the Moon and deep space destinations. Rolling out the completed core stage from NASA’s Michoud Assembly Facility to go on to NASA’s Stennis Space Center for further testing is an exciting leap forward in the Artemis program as NASA teams make progress toward the launch pad.”
The roughly 1.3-mile trip from the Michoud factory to the barge’s dock is just the start of the SLS flight hardware’s journey. Pegasus will ferry the SLS core stage from Michoud to Stennis, where the core stage will be lifted and placed into the historic B-2 Test Stand for the core stage Green Run test campaign that will begin later this year. The Green Run series is a comprehensive test campaign of the stage — from its avionics and propulsion systems to its four RS-25 engines — that will verify the core stage design ready for launch.
“Completion of this first-time build of the Space Launch System rocket’s core stages puts humans on the cusp of a new era of space exploration,” said John Honeycutt, the SLS Program Manager at NASA’s Marshall Space Flight Center in Huntsville, Alabama. “NASA’s SLS rocket is designed to evolve so a variety of missions can be accomplished first to the Moon for the Artemis missions and then to Mars and other deep-space destinations.”
Before launching NASA’s Orion spacecraft to the Moon, the SLS rocket stage will take the same water route that the first stages of the Saturn V rocket did when it was transported from Michoud to Stennis for testing during the Apollo Program in the 1960s and 1970s. Pegasus, which previously ferried the space shuttle tanks from Michoud to NASA’s Kennedy Space Center in Florida, was modified to make it longer and stronger to accommodate the core stage and ferry the SLS rocket hardware. Following Green Run, the barge will carry the core stage flight hardware to Kennedy for launch preparations.
NASA personnel in front of the fully assembled core stage for NASA’s Space Launch System rocket
“This is a historic moment for NASA’s Artemis program and a proud time for the Space Launch System Core Stage team as the first flight article leaves the factory floor,” said Julie Bassler, the NASA SLS Stages manager. “Roll out of the core stage to Stennis ahead of the core stage Green Run test series signals an exciting next phase as NASA prepares for the first Artemis launch. The Green Run test series will verify the stage is ready to ship to the launch site. Manufacturing the SLS rocket’s core stages is a combined effort for NASA and its industry partners. More than 1,100 companies across the United States contributed toward the production of the SLS rocket. Boeing built the core stage at NASA’s facility in New Orleans, and Aerojet Rocketdyne upgraded and supplied the RS-25 engines.
Teams at Michoud are working in tandem to manufacture and assemble core stages for the first three Artemis lunar missions. With the assembly of the core stage for Artemis I complete, NASA is focusing its efforts on building the core stages for Artemis II, the first crewed mission of SLS and NASA’s Orion spacecraft, and Artemis III, the mission that will send American astronauts to the lunar South Pole.
In addition to the progress of the SLS rocket in 2019, NASA and its partners completed production of NASA’s Orion spacecraft. The spacecraft is undergoing final testing at NASA’s Plum Brook Station in Ohio. NASA’s Exploration Ground Systems at Kennedy has verified the launch pad’s infrastructure and sound suppression system for the first Artemis launch. Kennedy’s launch team held its first formal training simulation, while flight controllers at NASA’s Johnson Space Center in Houston conducted a similar simulation training for Orion’s uncrewed flight to the Moon.
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I like to imagine that they never put the banner down, and to this day are wandering aimlessly with it. Walking across busy freeways and eventually into the ocean...

guapgrabber
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After Years of setbacks Im happy to see that the SLS is finally coming together.

agentc
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Me, as Brazilian feel so proud of these guys!!! Go beyond!

cristianoaragao
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It’s mind blowing to know that every component has to be designed for a specific task that means many brilliant people worked on that

borisvoltaire
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and in just a mere 30 more years we might be ready to try this thing

bigerdave
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I like the stainless steel underside of the engine section

AluminumOxide
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For your Greenrun video you gotta use I need a hero from Shrek 2. You gotta. That shit SLAMS

DavidWillisSLS
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It’s amazing the construction environment this tank is built in compared to SpaceX

TheJoeSwanon
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Congratulations! Magnificent spacecraft booster.

caonabo
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Very impressive rocket stage and the road transporter wheels are so tiny! The next steps will be to make the stage reusable and to produce it in large series for Lunar and interplanetary missions and combine it with boosters from the private sector depending on the mission. It is a pity and fully unnecessary to keep wasting these engines. Go, Orion!

karlthemel
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Is it disposable or does it land after seperation?

Jokkkke
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Wow that's one big cigarette!!! All that's need is the big flame 🔥

ryogamestation
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nah, this is fake, one can clearly see is made of cardboard like firecrackers, real rockets are made of stainless steel, and have landings legs.

juliusheide
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Why does this remind me of GM executives making a big deal of an electric car they made that sucks.

codygocam
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You all do realize that this is the fastest that SLS has ever moved, right? $20 Billion, six years and we finally got it up to the speed of a marching band 😄

loydgravitt
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So much time, effort, work, and money put into this just for it to be thrown away after 1 use. Elon is disappointed.

Mr-Chris
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They act like they are the first one to make a giant rocket. Wasn't the one they used to go to the moon a lot bigger.? In them old time films they looked a lot bigger.

davidbrown
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NASA Hardware count = 3


Space X Hardware count = 0

lextacy
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I’m excited for this mission while at the same time somewhat pissed that NASA and our government has and still holds private companies back from success.

I’m rooting for SpaceX and Blue Origin. I love NASA but they’re wasting time and money.

TrayTerra
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Hello people of the past


It flew perfectly
And FINALLY we are getting into somewhat norminal production rate

CS-2 is coming soon

_mikolaj_