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Teams at NASA’s Michoud Assembly Facility in New Orleans move a liquid oxygen tank from the main rocket factory into the adjacent vertical assembly building. The liquid oxygen tank, which will form part of the SLS (Space Launch System) rocket for NASA’s Artemis IV mission to the Moon, is rotated from a horizontal to a vertical configuration and loaded into the high bay’s hydrostatic proof testing cell. This non-destructive evaluation method tests the structural integrity of the tank’s welds by filling the tank with water, simulating the propellant used during launch. The propellant tank wil…