 ALCC No.2's dedicated role was to take off and orbit near the Minuteman ICBM Wing at Malmstrom AFB, MT, providing ALCS assistance if needed.The 4th ACCS also maintained an EC-135C or EC-135G on ground alert at Ellsworth as the West Auxiliary Airborne Command Post (WESTAUXCP), which was a backup to SAC's Looking Glass Airborne Command Post (ABNCP), as well as a radio relay link between the Looking Glass and ALCCs when airborne.