![]() ![]() No identifiable part of LSM-60 was ever found it was presumably vaporized by the nuclear fireball. ![]() Baker was detonated 90 feet (27 m) underwater, halfway to the bottom in water 180 feet (55 m) deep with a yield of 23 kilotons. In Baker on July 25, the weapon was suspended beneath landing craft LSM-60 anchored in the midst of the target fleet. Amphibious target ships were berthed on Bikini Island. The live animals on some of the target ships were supplied by the support ship USS Burleson, which brought 200 pigs, 60 guinea pigs, 204 goats, 5,000 rats, 200 mice, and grains containing insects to be studied for genetic effects by the National Cancer Institute. Bikini atoll animals plus#The ships carried sample amounts of fuel and ammunition plus scientific instruments to measure air pressure, ship movement, and radiation. battleships, two aircraft carriers, two cruisers, eleven destroyers, eight submarines, numerous auxiliary and amphibious vessels, and three surrendered German and Japanese ships.īikini Atoll Nuclear Test, 1946 (Colorized) The target fleet included four obsolete U.S. The arrangement also reflected the outcome of the Army/Navy disagreement about how many ships should be allowed to sink. The stated goal was not to duplicate a realistic anchorage but to measure damage as a function of distance from the blast center, at as many different distances as possible. At the center of the target cluster, the density was 20 ships per square mile (7.7 per km²), three to five times greater than military doctrine would allow. The Crossroads tests were the first of many nuclear tests held in the Marshall Islands and the first to be publicly announced beforehand and observed by an invited audience, including a large press corps.Ī fleet of 95 target vessels was assembled in Bikini Lagoon. The purpose of the tests was to investigate the effect of nuclear weapons on warships. This detonation, known as the Baker Test, was part of Operation Crossroads in Bikini Atoll in the Pacific. Underwater detonation of 23 kiloton nuclear weapon (Bikini Atoll Nuclear Test), 1946. ![]()
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