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W80-5 “just came up,” will go on SLCM-N, weapons directors say By Sarah Salem Exchange Monitor January 28, 2026 ARLINGTON, VA – The W80-5, a new variant of the W80 warhead family, is on a “more aggressive schedule” to go on the nuclear-armed sea-launched cruise missile (SLCM-N), weapons directors said on the final day of Exchange Monitor’s Nuclear Deterrence Summit. Rita Gonzales, Deputy Laboratories Director for Nuclear Deterrence at Sandia National Laboratories, and Bradley Wallin, Deputy Director of Strategic Deterrence at Lawrence Livermore National Laboratory, both spoke on a panel about the new warhead the Department of Energy’s semi-autonomous National Nuclear Security Administration (NNSA) is developing. “This one just came up and we’ve been working on it for less than a year at this point, but really looking at accelerating that program as well and looking at some creative ways where we might be able to deliver that capability to the Department of War earlier than antici...