United States vertically assembles an inert Sentinel ballistic missile

The US Air Force and Northrop Grumman vertically assemble an inert LGM-35A Sentinel ballistic missile.

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This test marks a key milestone in the US nuclear modernization program.

The Sentinel will replace Minuteman III missiles by 2030.

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Auto-synthesis from 1 media source · identified on September 21, 2026