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It remained uncertain Monday whether Los Alamos National Laboratory or Lawrence Livermore National Laboratory would design the proposed, sea-based W93 warhead after the directors of each lab declined to say whether his shop would own responsibility for the weapon. Asked which of the two nuclear weapons design labs would handle the proposed W93 warhead, if Congress approves it, Lawrence Livermore National Laboratory Director William Goldsmith said, “good question.” Thomas Mason, director of the Los Alamos National Laboratory since November 2018,…
