Warhead modernization activities ensure the U.S. nuclear weapons stockpile continues to meet military requirements while enhancing safety and security.
WASHINGTON – The U.S. Department of Energy’s National Nuclear Security Administration (NNSA) successfully completed the B61-12 Life Extension Program (LEP) First Production Unit (FPU) on November 23, 2021.
The B61-12 LEP helps modernize America’s nuclear weapons stockpile and sustain the Nation’s air delivered nuclear deterrent capability. The nuclear security enterprise, in close coordination with the U.S. Air Force, worked together to deliver the B61-12 FPU after more than nine years of design, development, qualification, and component production.
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