NNSA(@NNSANews):A milestone moment for the sea-based leg of the nation’s nuclear triad: NNSA along with its labs, plants, and sites partnered with the @USNavy to complete the first production unit of the W76 Mark 4B reentry body, nearly 3 months ahead of schedule. Shout out to @SandiaLabs for leading the system integration and design for the non-nuclear components. NNSA is accelerating production and delivering on our commitment to strengthen the reliability of America’s nuclear deterrent.

NNSA

@NNSANews

NNSA delivers the U.S. nuclear stockpile, strengthens nonproliferation, powers a global naval fleet, and advances transformative tech. Led by @NNSAWilliams.

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NNSA@NNSANews

2026.08.21 17:48

A milestone moment for the sea-based leg of the nation’s nuclear triad: NNSA along with its labs, plants, and sites partnered with the @USNavy to complete the first production unit of the W76 Mark 4B reentry body, nearly 3 months ahead of schedule. Shout out to @SandiaLabs for leading the system integration and design for the non-nuclear components. NNSA is accelerating production and delivering on our commitment to strengthen the reliability of America’s nuclear deterrent.

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