The Combatant Commander's Integrated Command and Control System (CCIC2S) program began in 2000 with a Lockheed Martin contract "to upgrade all of the mission systems within Cheyenne Mountain, which included the space surveillance systems" for delivery in 2006. The portion of CCIC2S modernizing "attack warning systems within Cheyenne Mountain to cost more than $700 million from fiscal years 2000 to 2006", and the delayed CCIC2S upgrades for space surveillance were superseded by systems for the Joint Space Operations Center's Space C2 program and Integrated Space Situational Awareness program.