The 447th Missile Squadron (447 MS) is an inactive United States Air Force unit. It was last assigned to the 321st Missile Group, stationed at Grand Forks AFB, North DakotaThe 447 MS was equipped with the LGM-30G Minuteman III Intercontinental ballistic missile (ICBM), with a mission of nuclear deterrence. With the end of the Cold War, the 447th was inactivated on 30 September 1998.