Thursday, July 23, 2026

Another Update on the Third SLS Core Stage Booster...

At NASA's Marshall Space Flight Center in Huntsville, Alabma, welding is completed on the spacer that will fly on Artemis 3's Space Launch System rocket.
NASA / Sam Lott

NASA Technicians Weld Final Panel for New SLS Hardware (Photo Release)

These images show the spacer that will be used on NASA’s Space Launch System (SLS) for the Artemis III mission.

At NASA’s Marshall Space Flight Center in Huntsville, Alabama, technicians complete the eighth and final friction stir weld on the barrel section. With the barrel now removed from the Vertical Weld Tool, inspections are underway.

The next major milestone will be the installation of the top and bottom rings.

The spacer will take the place of the interim cryogenic propulsion stage (ICPS) on Artemis III, with the ICPS reassigned for use on the Artemis IV mission.

Source: NASA.Gov

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At NASA's Marshall Space Flight Center in Huntsville, Alabma, the spacer that will fly on Artemis 3's Space Launch System rocket is about to move to the next step of assembly.
NASA / Sam Lott

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