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U.S. Nuclear Weapons Stockpile Life Extension Programs via U.S. Department of State

U.S. Nuclear Weapons Stockpile Life Extension Programs

Fact Sheet
Bureau of Arms Control, Verification and Compliance
January 3, 2013

Key Point: The end of nuclear explosive testing has resulted in the development and application of advanced processes for extending the service life of the warheads in the United States’ nuclear weapons stockpile. Extending the life of existing warheads helps to eliminate the need to build and test new weapons.

The National Nuclear Security Administration (NNSA), a semi-autonomous agency within the Department of Energy that has “cradle to grave” responsibility for the nuclear weapons stockpile, performs alterations and modifications to the stockpile in order to sustain the warheads that underpin the U.S. nuclear deterrent. It also conducts routine nuclear weapon maintenance operations. Over the last decade, the NNSA, through the Stockpile Stewardship Program (SSP), accomplished changes to the stockpile through Life Extension Programs (LEPs), with the goal of extending the service life of the current weapons in the stockpile. The NNSA will continue to conduct LEPs as outlined in the April 2010 Nuclear Posture Review, in order to maintain the existing stockpile. LEPs will use only nuclear components based on previously tested designs and will not support new military missions or provide for new military capabilities. The United States will not develop new nuclear warheads.

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