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Ballistic Missile Defense: Evolution and Current Issues

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Report Type Reports and Testimonies
Report Date July 16, 1993
Report No. NSIAD-93-229
Subject
Summary:

Since the first successful Soviet intercontinental ballistic missile test in August 1957, the United States has been preoccupied with developing an adequate line of defense against these nuclear weapons. This effort culminated in the Strategic Defense Initiative (SDI)--a space-based defense system first proposed in 1983 as a way to knock out incoming nuclear missiles. Although the United States has spent more than $30 billion to develop SDI, the Secretary of Defense recently announced the "end of the Star Wars era." Theater missile defense is now the first priority, and national missile defense is the second priority. The total request for fiscal year 1994 is $3.8 billion. This report provides information on the evolution of SDI, its oversight by the Defense Department, investments in major projects, technical progress and remaining challenges, commercial spin-offs of SDI technology, use of retired missiles as launch vehicles for SDI sites, and plans for using nuclear power in space.

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