March 4, 2026 GT 255: ICBM Test Launch Verifies Multiple Reentry Vehicle and System Reliability Air Force Global Strike Command conducted a test launch of an unarmed Minuteman III intercontinental ballistic missile equipped with two test re-entry vehicles March 3, at 11:01 p.m. Pacific Time from Vandenberg Space Force Base, California.
Jan. 13, 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 Jan. 8, marking an important milestone in the modernization of AFGSC’s nuclear security operations.
Aug. 7, 2025 20 AF reactivates ICBM Center of Excellence, completes inaugural Instructor Qualification Course 20th AF achieved a significant milestone in June with the successful execution of the 1st Instructor Qualification Course under the newly re-established ICBM Center of Excellence (ICE). Held from June 2-6, the course marked a pivotal moment in enhancing instructional standards across the ICBM
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 May 21 at 12:01 a.m. Pacific Time from Vandenberg SFB, Calif.
Sept. 22, 2024 DoD leaders discuss future of Air Force nuclear deterrent systems Senior leaders discuss strategic deterrence during the Air and Space Forces Association’s Air, Space and Cyber Conference.
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.
July 8, 2024 Department of Defense announces results of Sentinel Nunn-McCurdy Review On Jan. 18, 2024, the Air Force notified Congress that the Sentinel program exceeded its baseline cost projections, resulting in a critical breach under the Nunn-McCurdy statute.
Nov. 28, 2023 AFGSC Director of ICBM Modernization discusses “monumental” Sentinel Program at Joint Engineers Conference Brig. Gen. Colin J. Connor, Air Force Global Strike Command Director of Intercontinental Ballistic Missile Modernization, recently highlighted the future of the LGM-35A Sentinel during the annual Joint Engineers Conference in Helena, Montana.