NASA’s Space Launch System (SLS) Program is pursuing ways to accelerate development of the on-again, off-again next evolution of the launch vehicle. The main change from the initial Block 1 vehicle to the Block 1B version of the rocket is the larger, higher performance Exploration Upper Stage (EUS).
"SLS ML"
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Artemis
Prior to workplace closures, SLS was making good progress ahead of opening missions
by Philip SlossPrior to the shut down of work last month in response to the coronavirus disease…
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The Stennis Space Center is currently the focal point of the milestones toward the debut…
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The Space Launch System rocket, or SLS, is entering a critical year, with 2020 to…
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Artemis
Amid competing priorities, Boeing redesigns NASA SLS Exploration Upper Stage
by Philip SlossAfter its debut was postponed and production plans suspended, NASA gave its OK in June…
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Artemis
Boeing, NASA getting ready for SLS Core Stage Green Run campaign ahead of Stennis arrival
by Philip SlossAs NASA showed off the first assembled Space Launch System (SLS) Core Stage to government…
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Across two weekends in November NASA Exploration Ground Systems (EGS) and prime Test and Operations…
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NASA and prime contractor Boeing are working to finish assembly and checkout of the first…
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In a major milestone for NASA’s Space Launch System (SLS), all four RS-25 engines –…
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Artemis
Boeing reorganizing plans as it builds second NASA SLS Core Stage engine section
by Philip SlossThe engine section of the second NASA Space Launch System (SLS) Core Stage will look…
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Artemis
Boeing completes first NASA SLS engine section, getting ready for final Core Stage mate
by Philip SlossOfficials from NASA along with prime contractor Boeing formally signed off on the first assembly…
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At mid-year prime contractor Boeing was progressing through structural assembly of the second NASA Space…
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NASA will need another set of Orion and Space Launch System (SLS) vehicle hardware for…
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Artemis
Shuttle veteran RS-25 engines ready for SLS Core Stage installation ahead of Artemis-1
by Philip SlossThe four RS-25 engines for the first launch of NASA’s Space Launch System (SLS) have…
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Following verification and validation (V&V) testing in the Vehicle Assembly Building (VAB) at the Kennedy…
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Exploration Ground Systems (EGS) is getting Mobile Launcher-1 (ML-1) ready to roll out to Kennedy…
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NASA is looking at deferring some programmatic certification activities until after the Exploration Mission-1 (EM-1)…
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NASA is officially still deciding whether or not to take the time to conduct the…
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NASA and prime contractor Boeing have reworked the final assembly plan for the first Space…
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Artemis
Examining NASA’s challenge to SLS as ‘Moon, soon’ becomes the latest bold goal
by Chris BerginVice President Mike Pence has instructed NASA to land Americans on the Moon within the…