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NSIAD-00-212R 1 (2000-08-25)

handle is hein.gao/gaobaalld0001 and id is 1 raw text is: I GAO Accountability * Integrity * Reliability United States General Accounting Office National Security and Washington, DC 20548 International Affairs Division B-285810 August 25, 2000 The Honorable Jerry Lewis Chairman, Subcommittee on Defense Committee on Appropriations U. S. House of Representatives Subject: Defense Acquisitions: Status of Strategic C4 System Modernization and Plans To Integrate Additional Mission Capabilities Dear Mr. Chairman: Your letter of October 18, 1999, referred to the Department of Defense's (DOD) plans to modernize its current strategic command, control, communications, and computer (C4) capabilities for ballistic missile warning, space control, and air sovereignty/defense missions. Your letter mentioned that command and control functions for national missile defense may be centralized with these missions and that the U.S. Space Command has been assigned new missions called computer network defense/attack. You expressed concern about how DOD plans to integrate the systems needed for new missions into the systems used for current missions. As agreed, this report provides information on DOD's plans to (1) modernize current strategic C4 capabilities and (2) integrate additional system capabilities for newly planned and assigned missions. The U.S. Space Command and the North American Aerospace Defense Command (hereinafter referred to as the Commands) are supported by DOD's strategic C4 system capabilities associated with missile warning, space control, and air sovereignty/defense.2 The Air Force acquired the current C4 systems during a 17-year effort called the Cheyenne Mountain Upgrade program that began in 1981. The systems, which cost about $1.8 billion, were declared operational in 1998. The Commands have now determined that some of the systems' components are not well integrated, are becoming unsupportable because spare parts are no longer available, and would be unresponsive to future mission needs. As a 1 Computer network defense includes activities to protect and defend information in computers and computer networks, and computers and networks themselves, from disruption, denial, degradation, or destruction. Computer network attack is the ability to deny, disrupt, or degrade enemy computers and networks. 2 The U.S. Space Command is a DOD unified combatant command that is responsible for conducting space operations, including providing missile warning and space surveillance support to the North American Aerospace Defense Command. The North American Aerospace Defense Command is a binational U.S. and Canadian command responsible for warning of an attack against North America, including surveillance and control of North American airspace. GAO/NSIAD-00-212R DOD Strategic C4 Systems

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