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Strategic Arms Reduction Treaty (START II)

START II, when implemented, will eliminate heavy intercontinental ballistic missiles (ICBMS) and all other multiple-warhead (MIRVed) ICBMS. It will also reduce the total number of strategic nuclear weapons deployed by both countries, by two-thirds below pre-START levels. By the end of the first phase, each side must have reduced its total deployed strategic nuclear warheads to 3,800-4,250. By the end of the second and final phase, each side reduce its total deployed strategic nuclear warheads to 3,000-3,500. Of those, none may be on MIRVed ICBMS, including heavy ICBMS; only ICBMs carrying a single-warhead will be allowed. No more than 1,700-1,750 deployed warheads may be on SLBMS, which may be MIRVed. The September 26, 1997 Protocol on Early Deactivation extends the date by which the START II limitations and reductions must be completed from January 1, 2003 to December 31, 2007. It also extends the date by which the interim limitations must be carried out from seven years after entry into force of the START Treaty (December 5, 2001) to December 31, 2004.

The START-2 Treaty was signed on January 3, 1993 by President George Bush and President Boris Yeltsin. The Treaty codifies the Joint Understanding signed by the two Presidents at the Washington Summit on June 17, 1992. The U.S. Senate gave its advice and consent to ratification of the START II Treaty on January 26, 1996. Ratification of the Treaty in the Russian Duma, pending since 1996, was finally completed on 14 April 2000.

A chronological listing of major events and developoments.

Primary documents, including treaty text and associated memoranda, statements and other related material.

Chronological archive of official factsheets, announcements, briefings speeches and other related material.

Chronological archive of news reports, commentary analysis and other related material.

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