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The National Nuclear Security Administration is almost finished with a proof-of-concept unit that will kick off mass production of the homogenized version of the B61 nuclear gravity bomb, an agency spokesperson said Monday. “The B61-12 program is nearing the completion of the FPU [first production unit] milestone, and we expect to make an announcement later this calendar year,” a spokesperson at the National Nuclear Security Administration (NNSA) headquarters in Washington wrote in a Monday email. NNSA is the part of…
