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Sentinel Software Development “Slower Than Anticipated,” GAO Says

Frank Wolfe Frank Wolfe
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Sentinel Software Development “Slower Than Anticipated,” GAO Says
Pictured is a U.S. Air Force photo of U.S. Navy Adm. Richard Correll, the head of U.S. Strategic Command, receiving a Minuteman III launch control center briefing from 12th Missile Squadron personnel at Malmstrom AFB, Mont. on Dec. 15, 2025.

The Air Force faces software design challenges for Northrop Grumman's [NOC] future LGM-35A Sentinel ICBM, according to the Government Accountability Office (GAO). "Sentinel is software-intensive, and development progress remains slower than anticipated,” says the new GAO two-page 'national security snapshot' on Sentinel. “These delays have raised concerns from program officials about the prime contractor’s ability to complete the program’s software in a timely manner. Software risks remain because, notwithstanding how long the program has been in development, the Air Force…

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