AURORA, Colorado— The Pentagon won’t have new cost estimates for the way-over-budget Sentinel intercontinental ballistic ...

The Sentinel nuclear missile was originally scheduled for testing in 2026, but faced significant delays after its skyrocketing budget triggered a rare Nunn-McCurdy breach.

Add Yahoo as a preferred source to see more of our stories on Google. By July 2024, the public knew the program had blown its budget. But the announcement was nonetheless staggering. The projected ...

Add Yahoo as a preferred source to see more of our stories on Google. Attendees tour the LGM-35A Sentinel munitions storage igloos at Vandenberg Space Force Base, California, Dec. 1, 2025. (Staff Sgt.

The U.S. Air Force said Tuesday it expects its next-generation LGM-35A Sentinel nuclear missile to reach initial capability in the early 2030s, following a revamp of the over-budget program's ...

Software delays related to the U.S. Air Force’s future LGM-35A Sentinel intercontinental ballistic missile could pose “significant risks” to the program, requiring the U.S. to continue using the ...

The U.S. Air Force is revamping its two biggest nuclear modernization efforts, increasing its capacity to build B-21 Raiders while changing its approach to fielding a massive ICBM program that has ...

The new LGM-35A Sentinel intercontinental ballistic missile being developed for the U.S. Air Force is on track with initial capability tests to allow for a decision by the end of the year on whether ...

Attendees tour the LGM-35A Sentinel munitions storage igloos at Vandenberg Space Force Base, California, Dec. 1, 2025. (Staff Sgt. Joshua LeRoi/Space Force) The U.S. Air Force’s troubled Sentinel ...