Upshot–Knothole Grable test

E1244965 UNEXPLORED

The Upshot–Knothole Grable test was a 1953 U.S. nuclear weapons trial notable for being the first and only detonation of a nuclear artillery shell.

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Upshot–Knothole Grable test canonical 1

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Operation Upshot–Knothole → includesEvent → Upshot–Knothole Grable test ⓘ