Nuclear weapons : NNSA needs to improve guidance on weapon limitations and planning for its Stockpile Surveillance Program : report to congressional requesters.

Most weapons in the U.S. nuclear stockpile were produced over 20 years ago and are being sustained beyond original design lifetimes. It is critical to ensure that these weapons are safe, secure, and reliable to perform as the nation's nuclear deterrent. The National Nuclear Security Administrat...

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