Sept. 3, 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 are fielding the Sentinel ICBM.
Aug. 31, 2026 Initial operating capability of MH-139 Grey Wolf announced Air Force Global Strike Command announced that the MH-139 Grey Wolf has officially achieved Initial Operational Capability as of August 10, ushering in a new era of modernization for AFGSC’s nuclear security operations.
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.
Sept. 4, 2024 USecAF, DAF senior leaders, congressional staff delegation visit Malmstrom AFB Under Secretary of the Air Force Melissa Dalton, DAF senior leaders and a Congressional staff delegation visited Malmstrom AFB to better understand the 341st Missile Wing’s current mission and operations and to emphasize the strategic importance of ongoing modernization efforts.
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 15, 2024 USecAF, CMSAF visit F.E. Warren, emphasize essential role of ground-based nuclear force Under Secretary of the Air Force Melissa Dalton, Chief Master Sgt. of the Air Force David Flosi, and several other senior leaders visited F.E. Warren Air Force Base, Wyoming, July 1-2.
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.
Dec. 14, 2023 AFGSC establishes new directorate The ICBM Modernization Directorate will oversee and coordinate the deployment of the LGM-35A Sentinel ICBM weapon system and the retirement of the LGM-30G Minuteman III ICBM weapon system.