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SLS Core Stage Pathfinder Exercise
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A time-lapse video from Aug. 23/24, 2019, shows crews at NASA’s Stennis Space Center performing a lift-and-install exercise, using a Space Launch System (SLS) core stage pathfinder simulator. The simulator is a size-and-weight replica of the SLS core stage, allowing work crews to practice the lift and installation techniques that will be used to handle the actual flight stage when it arrives at Stennis for testing.
NASA is building the SLS rocket to return humans to deep space, back to the Moon by 2024 as part of the Artemis Program and, ultimately, to Mars. Prior to the first flight of the new rocket, the core stage that will be used for that mission will be delivered to Stennis for testing on the B-2 Test Stand.
The Green run testing at Stennis will be the first “all-up” test of the core stage systems, including its large propellant tanks and four RS-25 engines. The testing will culminate with a test fire of the engines to generate a combined 2 million pounds of thrust, just as during an actual launch.
To perform the pathfinder exercise, crews used a ground-based crane and the boom crane atop the B-2 Test Stand to lift the core stage simulator from its horizontal resting position and “break” it over into a vertical position. The B-2 boom crane then lifted the pathfinder up and into the stand, just as will be done with the flight core stage.
NASA is building the SLS rocket to return humans to deep space, back to the Moon by 2024 as part of the Artemis Program and, ultimately, to Mars. Prior to the first flight of the new rocket, the core stage that will be used for that mission will be delivered to Stennis for testing on the B-2 Test Stand.
The Green run testing at Stennis will be the first “all-up” test of the core stage systems, including its large propellant tanks and four RS-25 engines. The testing will culminate with a test fire of the engines to generate a combined 2 million pounds of thrust, just as during an actual launch.
To perform the pathfinder exercise, crews used a ground-based crane and the boom crane atop the B-2 Test Stand to lift the core stage simulator from its horizontal resting position and “break” it over into a vertical position. The B-2 boom crane then lifted the pathfinder up and into the stand, just as will be done with the flight core stage.
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