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Space Launch System vehicles
Dedicated spacecraft and related vehicle records for Space Launch System, including when they are part of the program archive.
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Showing 7 of 7 vehicle archive records.
Space Launch System
Showing 1–7 of 7
Interim Cryogenic Propulsion StageCryogenic in-space upper stageActiveThe Interim Cryogenic Propulsion Stage is the restartable in-space upper stage of SLS Block 1.
Exploration Upper StageHigh-capacity cryogenic upper stageThe Exploration Upper Stage was Boeing's larger four-engine upper stage for the proposed SLS Block 1B and Block 2 upgrades.
Mobile Launcher 1Mobile launch platform and umbilical towerOperationalMobile Launcher 1 is the moving steel launch base and umbilical tower used to assemble, test, service, roll out, and launch the opening Space Launch System and Orion missions.
SLS Core StageCryogenic launch-vehicle core stageActiveThe SLS Core Stage is the structural and liquid-propellant backbone of the Artemis launch vehicle.
Space Launch SystemSuper heavy-lift launch vehicleActiveNASA's Space Launch System is the super heavy-lift rocket at the Earth-departure end of the Artemis architecture.
SLS Five-Segment Solid Rocket BoosterFive-segment solid-propellant launch boosterActiveTwo Northrop Grumman five-segment solid rocket boosters provide most of the Space Launch System's liftoff thrust.
SLS RS-25 Core Stage EngineLiquid-hydrogen staged-combustion rocket engineActiveFour RS-25 engines power each Space Launch System core stage for roughly the first eight minutes of an Artemis launch.