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The National Nuclear Security Administration (NNSA) in January completed its first low-yield, submarine-launched, ballistic-missile warhead, which now awaits a final design review in Texas before the agency can ship it off to the Navy, an agency official said Tuesday. NNSA finished building the first low-yield W76-2 warhead, a modified version of the recently refurbished W76-1, at the Pantex Plant in Amarillo, Texas late last month, John Evans, acting assistant deputy administrator for stockpile management for the NNSA, said in a…
