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In the second-to-last week of fiscal year 2020, the Department of Energy wrapped up its customer requirements review with the Department of Defense for the W87-1 intercontinental ballistic missile warhead, the Lawrence Livermore National Laboratory said. W87-1, the replacement for W78, is arguably the civilian agency’s most ambitious nuclear modernization project of the 21st century. It involves everything from freshly made non-nuclear components to brand new plutonium-pit triggers, to be cast at yet-unfinished facilities at the Los Alamos National Laboratory…
