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

The Pentagon is overhauling the $160B Sentinel missile program, revoking Milestone B and installing new oversight as IOC slips beyond 2030.

The LGM-35A ICBM program had its Milestone B status revoked during a Nunn-McCurdy review, but a new decision is expected by the end of 2026.

We certainly have not lowered the bar, and we certainly have not taken on any risk by doing this,” Air Force Gen. Dale White told Breaking Defense.