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The W93 warhead will notionally be based on previously deployed nuclear-explosive components, the head of the Department of Energy's National Nuclear Security Administration (NNSA) said here Tuesday. The W93, a planned submarine-launched warhead and the first U.S. nuclear weapon since the Cold War that isn’t a copy or iteration of an existing weapon, has been a hot topic in the initial hearings on the Trump administration's fiscal 2021 budget request. What is broadly known is that the warhead will integrate…
