Uploaded December 2024 | Updated September 2026, 2 weeks ago

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Engineers and technicians with NASA’s Exploration Ground Systems Program completed stacking of the first Moon rocket segments – the left and right aft assemblies for the agency’s Artemis II SLS (Space Launch System) solid rocket boosters – onto mobile launcher 1 inside the Vehicle Assembly Building.

The first two of 10 booster segments to be stacked, the boosters will help support the remaining rocket components and the Orion spacecraft during final assembly of the Artemis II Moon rocket. When assembled, each booster will be about half the length of a football field, and will generate more thrust than 14 four-engine jumbo commercial airliners - providing more than 75 percent of the total SLS thrust during liftoff from Kennedy’s Launch Pad 39B.

Credit: NASA

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