The 684th Armament Systems Squadron is a unit of the United States Air Force, falling under the jurisdiction of the Air Force Global Strike Command. Its primary role involves arming and maintaining the Minuteman III Intercontinental Ballistic Missile (ICBM) fleet at Vandenberg Air Force Base, California. Established in 1962, the squadron’s mission encompasses ensuring the readiness of the Minuteman III weapon system through daily inspections, maintenance, and arming processes, as part of the nation’s strategic deterrence posture.