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Stephen Schwartz
atomicanalyst.bsky.social
did:plc:iwbebt5r65c67xl5vy5iviwj
the USSR did design and test “clean” (90%-plus fusion) thermonuclear weapons. This was a key reason we opposed a nuclear test ban in the 1950s. But neither country widely deployed them because they were not powerful enough for the miniaturized warheads that could fit into MIRVs on ICBMs/SLBMs.
2025-10-14T18:15:53.258Z