The National Nuclear Security Administration on Tuesday finished its First Production Unit of a plutonium pit for the planned W87-1 warhead, an agency press release said. The National Nuclear Security Administration (NNSA) verified, or “diamond stamped,” the pit, the fissile core of a warhead first stage, after it met the requirements for readiness to be deployed to the nuclear stockpile at “war reserve” quality, the press release said. A newly manufactured warhead based on a previously tested design, W87-1 will be the…
