Sentinel ICBM program needs brand-new silos, Air Force says

The Air Force has to dig new silos for its Sentinel intercontinental ballistic missile program, instead of reusing Minuteman III silos as originally planned, according to the service. “The Air Force continues to assess its options and design concepts as part of doing good systems engineering. While no decision has been made, we expect Sentinel to use predominantly [Air Force]-owned real estate to build new missile silos instead of re-using MMIII silos,” a service spokesperson sa