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The Minuteman Missile National Historic Site is an American national historic site established in 1999 near Wall, South Dakota, to illustrate the history and significance of the Cold War, the nuclear arms race, and intercontinental ballistic missile (ICBM) development.
The 90th Strategic Missile Wing (SMW) was the fifth United States Air Force LGM-30 Minuteman ICBM wing to be created (the fourth with the LGM-30B Minuteman I). In October 1962, construction began over an 8,300-square-mile (21,000 km 2) area of Wyoming, Nebraska, and Colorado to build 200 Minuteman ICBM launch silos. On 1 July 1963, the Air ...
Minuteman III launch from Vandenberg Space Force Base in California on 9 February 2023.. The LGM-30 Minuteman is an American land-based intercontinental ballistic missile (ICBM) in service with the Air Force Global Strike Command.
A fourth squadron, the 564th, a former SM-65D Atlas unit, stood up on 1 April 1966 with the LGM-30F Minuteman II. Beginning in 1967, all Minuteman I A and B models were replaced by the Minuteman II. The upgrade was completed by June 1969. In 1975, the 564th SMS switched from the Minuteman II to the LGM-30G Minuteman III model.
In November 1962, the 455th Strategic Missile Wing was the fourth United States Air Force LGM-30 Minuteman ICBM wing, the third with the LGM-30B Minuteman I.In 1962 and 1963 150 missiles were deployed to silos controlled by three squadrons of 455th in North Dakota.
The 351st Strategic Missile Wing was the third United States Air Force LGM-30 Minuteman ICBM wing, the second with the LGM-30B Minuteman I.After the announcement on 14 June 1961, there were second thoughts about the choice as original plans called for launchers to be spread into the Lake of the Ozarks region.
The 321st Strategic Missile Wing was the sixth, and last United States Air Force LGM-30 Minuteman ICBM wing. In 1962, the Air Force announced that the Grand Forks AFB would be first to deploy the new LGM-30F Minuteman II missile (The previous deployments were all Minuteman I).
The program entailed silo hardening and upgrading command data buffers in the launcher control facilities, which allowed for quicker missile re-targeting and a new version of the Minuteman missiles. After conversion to the LGM-30G Minuteman III , the last Minuteman IB model went off alert status in September 1974.