 In 1955, the tactical and maintenance elements of the 90th Bombardment Wing deployed to Eielson Air Force Base, Alaska, and SAC formed the provisional Eielson Task Force to control its forces temporarily stationed there.In August of the following year, the 14th Aviation Depot Squadron (later the 14th Munitions Maintenance Squadron) of Fifteenth Air Force moved to Eielson to oversee special weapons there.On 1 July 1960, SAC formed the 4157th Combat Support Group to provide support for forward deployed SAC bombardment and reconnaissance elements at Eielson.