Jan. 14, 2026 MH-139 Grey Wolf helicopters complete first operational ICBM convoy security mission Two MH-139A Grey Wolf helicopters assigned to the 40th Helicopter Squadron conducted their first operational Minuteman III ICBM convoy, marking an important milestone in the modernization of AFGSC’s nuclear security operations.
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 & effective.