 Upshot-Knothole Dixie

Upshot-Knothole Dixie refers to a series of nuclear tests conducted by the United States as part of the Upshot-Knothole nuclear test series in 1953. This particular test took place on March 4, 1953, at the Nevada Test Site. The Upshot-Knothole series was notable for a number of atmospheric tests, and "Dixie" was a specific test designed to evaluate the effects of a nuclear explosion.