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.

The government watchdog’s timeline runs counter to a U.S. Air Force news release that said the Sentinel’s first flight could ...

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.

We now know much more about the USAF's sprawling plans for new Sentinel ICBM silos with features not found on Minuteman III.

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 troubled Sentinel intercontinental ballistic missile program will hit a key milestone by year’s end, with hopes to deliver the initial ICBM by the early 2030s, Pentagon and Air Force officials ...

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 ...