NASA Transports Artemis IV Liquid Hydrogen Tank for Testing

• NASA personnel moved the 130-foot-tall liquid hydrogen tank for the Artemis IV mission on May 15, 2026.
• The tank was transported from the main factory production cell to a dedicated test building at the Michoud Assembly Facility in New Orleans.

Technical Context

• The component is part of the Space Launch System (SLS) rocket core stage.
• Its function is to supply super-cold liquid hydrogen propellant to one of the rocket's four RS-25 engines during launch.
• The move occurred across NASA's 829-acre Michoud site.