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The MX weapon system is a new intercontinental ballistic missile system. It was established to provide increased survivability as well as higher damage expectancy. According to the President, development of the MX weapon system will enable the United States to continue with a strategic deterrent force comprised of modernized survivable intercontinental ballistic missiles, submarine-launched ballistic missiles, and heavy bombers. The Ballistic Missile Office was assigned responsibility for managing the MX program. Initial deployment of the system is planned for July 1986, with full deployment to be accomplished by 1989. The Air Force estimates that the MX weapon system will cost about $33 billion. Inflationary estimates will increase this estimated cost to at least $56 billion.

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