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 redesign of the Sentinel intercontinental ballistic missile will require building an underground fiber-optic network spanning 32,000 square miles and constructing entirely new ...

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 United States Air Force ...

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

AURORA, Colorado—The Pentagon won’t have new cost estimates for the way-over-budget Sentinel intercontinental ballistic missile program until year’s end, officials said, though they expressed optimism ...

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. Sentinel ICBM program intended to replace aging Minuteman III missiles has ballooned from an initial estimate of ...

F.E. WARREN AIR FORCE BASE – The U.S. Air Force and U.S. Army Corps of Engineers will host town halls on the Sentinel Program modernization program in March across the tri-state region, including in ...

The LGM-35A Sentinel is expected to replace the Cold War-era Minuteman III program in the 2030s. (U.S. Air Force) The U.S. Air Force said Tuesday it expects its next-generation LGM-35A Sentinel ...

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 ...