May 21, 2025 Minuteman III test launch showcases readiness of U.S. nuclear force's safe, effective deterrent A joint team of AFGSC Airmen launched an unarmed Minuteman III intercontinental ballistic missile equipped with a single Mark-21 High Fidelity Re-Entry Vehicle at 12:01 a.m. Pacific time May 21 from Vandenberg Space Force Base, California.
Aug. 16, 2024 Sentinel: The History of the DAF Modernizing the Backbone of America’s National Security The U.S. Air Force is replacing the 54-year-old LGM-30G Minuteman III ICBM weapon system with the LGM-35A Sentinel ICBM. Upgrading to Sentinel ICBMs ensures the land-based leg of America's Nuclear Triad remains safe, secure and effective.