Security Forces tasked with defending Minuteman III ICBMs currently train for everything from retaking captured silos to repelling ground assaults.

Switching from the Minuteman III to the Sentinel system, led by Northrop Grumman, involves the replacement of more than 600 facilities across five states.

A Minuteman III intercontinental ballistic missile during a weapons transfer operation near Sydney, Nebraska, February 5, 2025. Credit: Airman 1st Class Mattison Cole/U.S. Air Force Kathryn Bigelow’s ...

The Air Force expects a new Milestone B acquisition decision at the end of the year with initial operational capability by the early 2030s—back from the originally expected 2029. In the announcement, ...

US Air Force’s future LGM-35A Sentinel intercontinental ballistic missile is not only reshaping America’s nuclear modernization strategy, it is also compelling a fundamental rethink of how the service ...