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Air Force, Northrop Grumman advance Sentinel ICBM modernization with stage-two rocket motor test
July 29, 2025
WASHINGTON, July 29 -- The U.S. Air Force issued the following news:

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Air Force, Northrop Grumman advance Sentinel ICBM modernization with stage-two rocket motor test

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ARNOLD AIR FORCE BASE, Tenn. (AFNS) --

The U.S. Air Force, in partnership with Northrop Grumman, completed a full-scale qualification test of the stage-two solid rocket motor for the LGM-35A Sentinel intercontinental ballistic missile, July 20, by the 717th Te . . .

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