400MMST

**400th Missile Maintenance Squadron (400MMST) Military History:** The 400th Missile Maintenance Squadron (400MMST) was activated during the height of the Cold War to provide maintenance and operational readiness support for the United States Air Force’s intercontinental ballistic missile (ICBM) forces. Based at Francis E. Warren Air Force Base, Wyoming, the unit played a crucial role in ensuring the reliability and effectiveness of Minuteman and Peacekeeper missile systems. Throughout its service, the 400MMST was recognized for its technical expertise and rapid response capability, contributing significantly to the nation's strategic deterrence mission. The squadron was eventually inactivated as part of force restructuring and modernization efforts in the early 21st century.