The National Nuclear Security Administration said Friday it finished building the secondary stage for the first war-ready B61-12 nuclear gravity bomb on Dec. 6.
The canned subassembly is the uranium-fueled stage of the future gravity bomb, which as part of a 20-year…
Morning Briefing - January 22, 2019
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Morning Briefing
Article 4 of 8
January 22, 2019
NNSA Finishes Secondary Stage for First War-Ready B61-12 Bomb
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