M65 280mm Atomic Annie Upshot-Knothole Grable test, 15 kt yield W9 warhead at a range of ~7 miles; first and only artillery-fired nuclear shell; NTS, Nevada, Frenchman Flat, May 1953 more: wiki
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M65 280mm Atomic Annie Upshot-Knothole Grable test, 15 kt yield W9 warhead at a range of ~7 miles; first and only artillery-fired nuclear shell; NTS, Nevada, Frenchman Flat, May 1953 more: wiki
