90th Operations Group Information

The 90th Operations Group operates 150 LGM-30G Minuteman III intercontinental ballistic missiles on full alert 24 hours a day, 365 days a year. Its missiles are dispersed in hardened silos over a 9,600-square-mile area in three states to protect against attack and are connected to underground missile alert facilities through a system of hardened cables. It is composed of three missile squadrons, an operations support squadron and a standardization and evaluation element. Each missile squadron is responsible for five missile alert facilities and 50 Minuteman III ICBMs. Its units include the 319th, 320th and 321st Missile Squadrons and the 90th Operations Support Squadron.