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Welding Completed on Liquid Hydrogen Tank for First SLS Mission

SLS Core Stage flight tank
NASA completed major welding for the liquid hydrogen tank for the first Space Launch System mission at the agency’s Michoud Assembly Facility in New Orleans.

NASA completed major welding for the liquid hydrogen tank for the first Space Launch System mission at the agency’s Michoud Assembly Facility in New Orleans. The tank was the final piece of flight hardware completed for the deep-space rocket’s first mission. All five of the structures that will be joined to form the 212-foot-tall core stage, the backbone of the SLS rocket, are built. The liquid hydrogen tank measures more than 130 feet tall, comprises almost two-thirds of the core stage and holds 537,000 gallons of liquid hydrogen cooled to minus 423 degrees Fahrenheit.

Image credit: NASA/MSFC/MAF/Jude Guidry

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