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Defense against nuclear attack--so natural and seemingly so compelling a goal--has provoked debate for at least twenty years. Ballistic missle defense systems, formerly called antiballistic missile systems, offer the prospect of remedying both superpowers' alarming vulnerability to nuclear weapons by technological rather than political means. But whether ballistic missile defenses can be made to work and whether it is wise to build them remain controversial. The U.S.-Soviet Anti-Ballistic Missile Treaty of 1972 restricts testing and deployment of ballistic missile defenses but has not prohibited more than a decade of research and development on both sides. As exotic new proposals are put forward for space-based directed-energy systems, questions about the effectiveness and wisdom of missile defense have again become central to the national debate on defense policy. This study, jointly sponsored by the Brookings Institution and the Massachusetts Institute of Technology, examines the strategic, technological, and political issues raised by ballistic missile defense. Eight contributors take an analytical approach to their areas of expertise, which include the relationship of missile defense to nuclear strategy, the nature and potential applications of current and future technologies, the views on missile defense in the Soviet Union and among the smaller nuclear powers, the meaning of the Anti-Ballistic Missile Treaty for today's technology, and the present role and historical legacy of ballistic missile defense in the context of East-West relations. The volume editors give a comprehensive introduction to this wide range of subjects and an assessment of future prospects. In the final chapter, nine knowledgeable observers offer their varied personal views on the ballistic missile defense question.

Strategic and technical issues involved in the Strategic Defense Initiative, a program to develop a defense against intercontinental missiles. Partial contents: Star wars and strategic defense, by Jeffrey Boutwell; The Strategic Defense Initiative, by Caspar W. Weinberger; Defense as a deterrent of war, by Edward Teller; Soviet perspectives on BMD, by Raymond Garthoff.

For some time now, ballistic missile defense (BMD) has been a key national security priority, even though such interest has been ongoing since the end of World War II. Many current BMD technologies date their start to the 1980s, and even earlier. This effort has been challenging technically and politically controversial. More than $120 billion has been spent on a range of BMD programs since the mid-1980s; Congress appropriated $9.4 billion for FY2007 and $9.9 billion for FY2008. This report provides a brief overview of U.S. BMD efforts to date.

For some time there has been a growing sense of urgency to develop and deploy effective missile defenses against a range of long and short range ballistic missile threats. Although many might believe this to be relative new to U.S. national security objectives, such interest has been ongoing since the end of World War II. Many current technologies being investigated date their start to the 1980s, and earlier. This effort has been challenging technically and politically controversial. Some $110 billion has been spent since the mid-1980s; Congress appropriated $9.3 billion in FY2006. For FY2008 the Administration requested $8.9 billion for the Missile Defense Agency. This report provides a brief overview of U.S. efforts to date.