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 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 U.S. Air Force's troubled Sentinel intercontinental ballistic missile program faces significant risks from software delays and an extended reliance on the aging Minuteman III system. However, a ...

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 ...

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 ...

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 ...