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The U.S. National Nuclear Security Administration (NNSA) could turn the existing W76 warhead into the low-yield submarine-launched weapon requested by the Donald Trump administration by dialing back its explosive yield, according to the acting head of the Department of Energy weapons agency."A low-yield submarine-launched ballistic missile warhead capability, deemed the W76 Mod 2, will be fielded by configuring a small number of existing ballistic missile warheads for primary-only detonation,” acting NNSA Administrator Steven Erhart said here at the ExchangeMonitor's annual…
