Sept. 2, 2026 Senior AFGSC leaders see Sentinel program advancements The Air Force’s senior leaders charged with overseeing the service’s nuclear enterprise took part in a two-day immersion at Hill AFB, gaining insight into how AFGSC and its mission partners at Hill AFB and Northrop Grumman are fielding the Sentinel ICBM.
Aug. 31, 2026 Initial operating capability of MH-139 Grey Wolf announced AFGSC announced that the MH-139 Grey Wolf has officially achieved Initial Operational Capability as of Aug. 10, ushering in a new era of modernization for AFGSC’s nuclear security operations.
July 25, 2026 CMSAF visits Malmstrom AFB, recognizes Airmen driving nuclear deterrence The visit highlighted the critical nuclear deterrence mission of the 341st Missile Wing, operational readiness and the essential role family support plays in sustaining the force.
June 19, 2026 91st Missile Wing conducts SELM test Airmen assigned to the 91st Missile Wing at Minot Air Force Base conducted a Simulated Electronic Launch Minuteman (SELM) test in partnership with the 377th Test and Evaluation Group from Vandenberg Space Force Base, California, on June 3, 2026, demonstrating the wing’s operational proficiency,
May 20, 2026 ICBM test launch verifies system reliability Air Force Global Strike Command conducted a test launch of an unarmed Minuteman III intercontinental ballistic missile at 12:01 a.m. Pacific time May 20 from Vandenberg Space Force Base, California.This routine launch, designated GT 256, was scheduled years ago, and is not in response to world
March 24, 2026 Air Force leaders visit Minot AFB to advance Sentinel modernization The visit focused on ensuring alignment between program development and operational execution as the Air Force prepares to transition from the Minuteman III system to the LGM-35A Sentinel.
March 4, 2026 ICBM test launch verifies multiple re-entry vehicle, 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 at 11:01 p.m. Pacific time March 3 from Vandenberg Space Force Base, California.
Feb. 27, 2026 Unarmed Minuteman III ICBM test launch scheduled at Vandenberg Space Force Base An operational test launch of an AFGSC unarmed Minuteman III ICBM is scheduled between 11:01 p.m.-5:01 a.m. Pacific time March 3-4, from north Vandenberg. This test is routine and was scheduled years in advance, with the purpose of validating and verifying the effectiveness, readiness and accuracy
Feb. 17, 2026 Delivering deterrence: Sentinel restructure to complete in 2026, initial capability timeline set The U.S. Air Force rolled out its plan for the LGM-35A Sentinel program, which will deliver the nation’s next-generation, modernized, land-based nuclear deterrent to America’s warfighters.
Jan. 13, 2026 MH-139 Grey Wolf helicopters complete 1st 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.