The Air Force hoped to reuse existing silos for Minuteman III nuclear missiles for the upcoming Sentinel program, but has concluded it will have to dig new silos. (A1C Braydon Williams/Air Force) The ...

Key Points and Summary on the LGM-35A - The LGM-35A Sentinel program, intended to modernize the land-based leg of the U.S. nuclear triad, is a "nightmare" of mismanagement and cost overruns. -The ...

Overseen by the 717th Test Squadron and the Arnold Engineering Development Test Complex, the ground-based fire of the Sentinel’s second stage rocket motor was “conducted in a vacuum chamber to ...

The Air Force has developed planning documents for the transition from Minuteman III to Sentinel but has not developed a risk management plan. The transition was planned to begin in fiscal year 2025, ...

If all goes according to plan, the Sentinel program will go operational in 2030 and serve through 2075. This year, America’s Minuteman III nuclear intercontinental ballistic missile (ICBM) will be ...