On July 28, 2006, the Cheyenne Mountain Directorate was re-designated as the Cheyenne Mountain Division, with the mission to assist in establishing an integrated NORAD and USNORTHCOM Command Center within the headquarters building at Peterson Air Force Base. The Unified Space Vault and the Space Control Center were moved from Cheyenne Mountain to the Joint Space Operations Center at Vandenberg Air Force Base about October 2007.: