NNSA funds all the Pentagon’s nuclear weapons-related activities, including weapons design, production, safeguarding the nation’s nuclear stockpile and clean-up of the government’s nuclear weapons sites. The NNSA budget does not fund the aircraft, submarines and missiles that make up the military’s nuclear “triad,” which are funded within the Pentagon’s annual budget.

In the FY 2021 request, the Department of Energy states that the additional NNSA funding is necessary to support the modernization efforts of U.S. nuclear forces called for in the 2018 Nuclear Posture Review.

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