The National Nuclear Security Administration’s (NNSA) Y-12 National Security Complex announced the “diamond-stamping” of a secondary stage of a nuclear weapon through the W80-4 Life Extension Program, the agency announced Sept. 25.
“Diamond-stamping,”…                    
                    
                    
                                        
                    
                
                    Nuclear Security & Deterrence Monitor Vol. 29 No. 37
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                Nuclear Security & Deterrence Monitor
            
            
        Article 5 of 12
             October 03, 2025
            W80-4 life extension component diamond stamped at Y-12, NNSA says
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