[20190201]IN10985_美国退出中导条约.pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i U.S. Withdrawal from the INF Treaty Amy F. Woolf Specialist in Nuclear Weapons Policy Updated February 1, 2019 U.S. Withdrawal The United States will suspend its obligations under the 1987 Intermediate-Range Nuclear Forces Treaty and submit its formal notice of withdrawal to Russia on February 2, 2019. President Donald Trump first announced the U.S. withdrawal on October 20, 2018, and stated on February 1, 2019, that the United States was taking this step because Russia was violating the treaty by “developing and fielding a prohibited missile system that poses a direct threat to our allies and troops abroad.” Under the INF Treaty, the United States and Soviet Union agreed to ban all land-based ballistic and cruise missiles with ranges between 500 and 5,500 kilometers. The ban applied to missiles with both nuclear and conventional warheads, but it did not apply to sea-based or air-delivered missiles. When implementing the treaty, the Soviet Union destroyed 1,846 missiles, including 654 three-warhead SS-20 missiles. The United States destroyed 846 single-warhead missiles. Both sides completed their reductio