U.S. Strategic Nuclear Forces: Background, Developments, and Issues [March 10, 2011] [open pdf - 339KB]
"During discussions about the 2010 Nuclear Posture Review, Congress reviewed and discussed the plans for maintaining and modernizing U.S. strategic nuclear forces. Although the United States plans to reduce the number of warheads deployed on its long-range missiles and bombers, consistent with the terms of the New START [Strategic Arms Reduction Treaty] Treaty, it also plans to develop new delivery systems for deployment over the next 20-30 years. As a result, the 112th Congress will continue to review these programs during the annual authorization and appropriations process. [...] The Obama Administration recently completed a review of the size and structure of the U.S. nuclear force as a part of the congressionally mandated Nuclear Posture Review. It has also recently signed a New START Treaty with Russia that will limit the number of deployed missiles and warheads in the U.S. strategic force. Congress will review the Administration's plans for U.S. strategic nuclear forces during the annual authorization and appropriations process, and if it assesses the terms of a prospective nuclear arms control treaty with Russia. This report will be updated as needed."
CRS Report for Congress, RL33640