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Operation HARDTACK Military Effects Studies: Underwater Tests
About this film
Operation HARDTACK I consisted of 35 nuclear tests conducted at the Pacific Proving Ground between April 28 and August 18, 1958. These tests included balloon, surface, barge, underwater, and rocket-borne high-altitude tests. The first test, Yucca, was a nuclear device attached to a helium balloon launched from the USS Boxer near Enewetak Atoll. HARDTACK I consisted of three portions; the first was the development of nuclear weapons. This was a continuation of the type of testing conducted at Enewetak and Bikini during the early and mid-1950s. In these tests, the weapons development laboratories, Los Alamos Scientific Laboratory and the University of California Radiation Laboratory (later named Lawrence-Livermore National Laboratory), detonated their experimental devices, while the Department of Defense (DoD) provided support and conducted experiments that did not interfere with Atomic Energy Commission activities. The second portion, sponsored by the DoD, consisted of the underwater tests Wahoo and Umbrella. Wahoo was detonated in the deep, open ocean southwest of Boken Island, and Umbrella inside the western end of the lagoon at Enewetak. The purpose of these tests was to improve…
Directors & creators
United States Department of Defense
Subjects
Operation Hardtack;Hardtack;atomic;nuclear;Cold War;atomic testing;nuclear testing;1958;military;Eniwetok;Enewetak;Eniwetak;Bikini;Bikini Atoll;Pacific Proving Ground;national defense;Department of Defense;Department of Energy;radiation;radioactivity;fallout;radioactive;thermonuclear test;thermonuclear
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