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Magna, Utah, January 8, 2024 – Two of Northrop Grumman Corporation’s (NYSE: NOC) extended length, 63-inch-diameter Graphite Epoxy Motors (GEM 63XL) solid rocket boosters helped power the inaugural flight of United Launch Alliance’s (ULA) Vulcan Rocket and the first certification (Cert-1) mission.

The GEM 63XL boosters are the longest monolithic, single-cast solid rocket boosters ever manufactured and flown.
The launch represents the first flight of the GEM 63XL solid rocket boosters.
The boosters delivered more than 900,000 pounds of thrust, nearly two-thirds of the vehicle’s total thrust at lift-off.

The Cert-1 mission carried two payloads, one that will deliver science and technology to the lunar surface, including Astrobotic’s first Peregrine Lunar Lander, Peregrine Mission One, as part of NASA’s Commercial Lunar Payload Services program and the second was Celestis’ Memorial Spaceflights deep-space Voyager mission.

Northrop Grumman began development of the fifth-generation GEM 63XL strap-on boosters in 2015, under a cooperative agreement with ULA to provide additional lift capability for the Vulcan launch vehicle. The motor was qualified for flight in 2020 via static test firing at the company’s Promontory, Utah, test facilities. In June 2022, ULA awarded Northrop Grumman a multi-year contract worth more than $2 billon for increased production of its GEM boosters, which will support Amazon’s Project Kuiper and additional ULA customers.

Northrop Grumman has supplied rocket propulsion to ULA and its heritage companies for various launch vehicles since 1964. The GEM 63XL is an extended length variation of the GEM 63 boosters, which have supported eight Atlas V launches with 27 boosters to date.

The company’s Commerce, Calif., facility also manufactured the Vulcan launch vehicle’s hydrazine diaphragm propellant tank, which feeds the Centaur upper stage Reaction Control System to provide guidance and control during the later stages of launch. This tank is a more powerful successor to the ones previously supplied by Northrop Grumman for the Atlas V and Delta IV programs.

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Teams at Stennis Space Center prepare for core stage hot-fire testing ahead of Artemis I lunar mission

Boeing [NYSE: BA] today delivered the core stage of NASA’s first Space Launch System (SLS) deep space exploration rocket, moving it out of the NASA Michoud Assembly Facility in New Orleans to the agency’s Pegasus barge.

The event marks the first time a completed rocket stage has shipped out of Michoud since the end of the Apollo program. SLS Core Stage 1 is the largest single rocket stage ever built by NASA and its industry partners.

The rollout follows several weeks of final testing and check-outs after NASA’s declaration of “core stage complete” during a December 9 Artemis Day celebration at Michoud.

NASA will transport the SLS core stage to its Stennis Space Center in Bay St. Louis, Mississippi, in the next few days for “Green Run” hot-fire engine tests later this year. After inspection and refurbishing for launch, the stage moves to Kennedy Space Center in Florida. At Kennedy, the core stage will be integrated with the Interim Cryogenic Upper Stage (ICPS) and NASA’s Orion spacecraft for the uncrewed Artemis I mission around the moon – the first launch of a human-rated spacecraft to the Moon since Apollo 17 in 1972.

“The Boeing SLS team has worked shoulder-to-shoulder with NASA and our supplier partners to face multiple challenges with ingenuity and perseverance, while keeping safety and quality at the forefront,” said John Shannon, Boeing SLS vice president and program manager.

SLS is the world’s most powerful rocket, evolvable and built to carry astronauts and cargo farther and faster than any rocket in history. Its unmatched capabilities will deliver human-rated spacecraft, habitats and science missions to the moon, Mars and beyond as part of NASA’s Artemis program.

“We are applying what we’ve learned from development of the first core stage to accelerate work on core stages 2 and 3, already in production at Michoud, as well as the Exploration Upper Stage that will power NASA’s most ambitious Artemis missions,” said Shannon.

Tag: lunar

Northrop Grumman Solid Rocket Boosters aid first ULA Vulcan Rocket launch

Boeing Rolls Out First Space Launch System Core Stage for Delivery to NASA

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