Friday, January 25, 2013
Specialist in Nuclear Weapons Policy
A ban on all nuclear tests is the oldest item on the nuclear arms control agenda. Three treaties that entered into force between 1963 and 1990 limit, but do not ban, such tests. In 1996, the United Nations General Assembly adopted the Comprehensive Nuclear-Test-Ban Treaty (CTBT), which would ban all nuclear explosions. In 1997, President Clinton sent the CTBT to the Senate, which rejected it in October 1999. In a speech in Prague in April 2009, President Obama said, “My administration will immediately and aggressively pursue U.S. ratification of the Comprehensive Test Ban Treaty.” However, the Administration focused its efforts in 2010 on securing Senate advice and consent to ratification of the New Strategic Arms Reduction Treaty (New START). The Administration has indicated it wants to begin a CTBT “education” campaign with a goal of securing Senate advice and consent to ratification, but there were no hearings on the treaty in the 111th or 112th Congresses. As of December 2012, 183 states had signed the CTBT and 157, including Russia, had ratified it. However, entry into force requires ratification by 44 states specified in the treaty, of which 41 had signed the treaty and 36 had ratified. Seven conferences have been held to facilitate entry into force, most recently on September 23, 2011.
Nuclear testing has a long history, beginning in 1945. The Natural Resources Defense Council states that the United States conducted 1,030 nuclear tests, the Soviet Union 715, the United Kingdom 45, France 210, and China 45. (Of the U.K. tests, 24 were held jointly with the United States and are not included in the foregoing U.S. total.) The last U.S. test was held in 1992; Russia claims it has not tested since 1990. In 1998, India and Pakistan announced several nuclear tests. Each declared a test moratorium; neither has signed the CTBT. North Korea announced that it conducted nuclear tests in 2006 and 2009. Since 1997, the United States has held 27 “subcritical experiments” at the Nevada National Security Site, most recently in December 2012, to study how plutonium behaves under pressures generated by explosives. It asserts these experiments do not violate the CTBT because they cannot produce a self-sustaining chain reaction. Russia reportedly held some such experiments since 1998.
The Stockpile Stewardship Program seeks to maintain confidence in the safety, security, and reliability of U.S. nuclear weapons without nuclear testing. Its budget is listed as “Weapons Activities” within the request of the National Nuclear Security Administration, a semiautonomous component of the Department of Energy. Congress addresses nuclear weapon issues in the annual National Defense Authorization Act and the Energy and Water Development Appropriations Act. The FY2012 appropriation for Weapons Activities was $7.214 billion. The FY2013 request is $7.577 billion; P.L. 112-175, making continuing appropriations for FY2013, provided funds at that rate through March 27, 2013. Congress also considers a U.S. contribution to a global system to monitor possible nuclear tests, operated by the CTBT Organization Preparatory Commission. The FY2013 request for that contribution is $33.0 million, plus $3.5 million as a special contribution to the organization. P.L. 112-175 provided funds for these contributions as well.
This report will be updated occasionally. This update reflects a U.N. resolution on the treaty, FY2013 continuing appropriations, and stockpile stewardship experiments. CRS Report RL34394, Comprehensive Nuclear-Test-Ban Treaty: Issues and Arguments, by Jonathan Medalia, presents pros and cons in detail. CRS Report R40612, Comprehensive Nuclear-Test-Ban Treaty: Updated “Safeguards” and Net Assessments, by Jonathan Medalia, discusses safeguards— unilateral steps to maintain U.S. nuclear security consistent with nuclear testing treaties—and their relationship to the CTBT. CRS Report R42498, Energy and Water Development: FY2013 Appropriations, coordinated by Carl E. Behrens, provides details on stockpile stewardship.
Date of Report: January 2, 2013
Number of Pages: 64
Order Number: RL33548
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Posted by Penny Hill Press, Inc. at Friday, January 25, 2013