HD Explosion of 500 tons TNT - Navy test "Sailor Hat" 1965

Описание: This is most complete version!!! sorry !! This is the third time to upload this video, Because it was yellowed.
Operation Sailor Hat was a series of explosives effects tests, conducted by the United States Navy Bureau of Ships under the sponsorship of the Defense Atomic Support Agency.The tests consisted of two underwater explosions at San Clemente Island, California in 1964and three surface explosions at Kahoʻolawe, Hawaii in 1965. They were non-nuclear tests employing large quantities of conventional explosives (TNT and HBX) to determine the effects of a nuclear weapon blast on naval vessels, and the first major test of this kind since Operation Crossroads in July 1946.

Each "Sailor Hat" test at Kahoʻolawe consisted of a dome-stacked 500-short-ton (454 t) charge of TNT high explosive detonated on the shore close to the ships under test. Since a TNT detonation releases energy more slowly than a nuclear explosion, the blast effect at close range was designed to be equivalent to a 1 kiloton of TNT (4.2 TJ) nuclear weapon at greater distance.The main ship used for testing was the former Cleveland-class light cruiser USS Atlanta. In addition, the guided-missile frigates USS England and USS Dale, the guided-missile destroyers USS Cochrane, USS Benjamin Stoddert, and USS Towers, and the Royal Canadian Navy's escort destroyer HMCS Fraser all participated in the trial. These were a mixture of the obsolete, Atlanta being built during WWII, and the recently constructed Cochrane. The highly complex operation yielded data useful for determining and improving blast resistance of naval ships.(Wiki)
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