View of the fireball from shot "Whitney," the 22nd full-scale nuclear test of Operation Plumbbob. Flash lights the pre-dawn darkness of Yucca Flat. The "Whitney" device was detonated atop a 500 foot tower. ID Source(s) DOE - NNSA/NSO -- Photo Library.
"Owens," the tenth shot of Operation Plumbbob, is fired at an altitude of 500 feet from a plastic balloon at 6:30 am civilian time on July 25, 1957. The nuclear test yields 9.7 kilotons (equal to 9,700 tons of TNT). A brilliant flash gives way to an orange fireball which quickly begins to cool and churn skyward. Mushroom cloud forms fast. Cameraman slate at beginning of clip identifies the shot as Owens.
United States conducts nuclear test at Nevada test site in Nye County, Nevada, during Operation Plumbbob. Desert floor, mountains in the background. Area obscured by the brightness as shot Owens blast goes off in the background. Circular ring of smoke covers the ground area. The fireball and smoke churns upward. The top part of the mushroom cloud rise slowly and moves outward. Cloud dissipates from the blast, it mingles in with natural clouds.
United States nuclear testing footage. View of the fireball from the 19th full-scale atomic detonation of Operation Plumbbob, code named "Fizeau." The 11 kiloton shot, fired atop a 500 foot tower, as observed from "News Nob" at a distance of about seven miles.