what depth did the thresher implode
Rule interprets the communication 900 from the Thresher at 09:17 as a reference to test depth, signifying that the Thresher was nine hundred feet below its test depth of 1,300, or 2,200 feet below sea level.hresher likely imploded at a depth of 1,300â2,000 ft (400â610 m). The Navy has periodically monitored the environmental conditions of the site since the sinking and has reported the results in an annual public report on environmental monitoring for U.S. Naval nuclear-powered craft.