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Castle Bravo was the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of Operation Castle. Detonated on March 1, 1954, the device remains the most powerful nuclear device ever detonated by the United States and the first lithium deuteride -fueled ...
Six days after the Castle Bravo test, the government set up a secret project to study the medical effects of the weapon on the residents of the Marshall Islands. [32] The United States was subsequently accused of using the inhabitants as medical research subjects without obtaining their consent to study the effects of nuclear exposure. [ 28 ]
The cover to the Project 4.1 Final Report, "Study of Response of Human Beings Accidentally Exposed to Significant Fallout Radiation" Project 4.1 was the designation for a medical study and experimentation conducted by the United States of those residents of the Marshall Islands exposed to radioactive fallout from the 1 March 1954 Castle Bravo nuclear test at Bikini Atoll, which had an ...
They eventually moved to other atolls in the Marshall Islands and the United States, due to problems with this plan. In 1954, the Castle Bravo nuclear test took place on Bikini Atoll, with a yield of 15 Mt. [24] This nuclear test was only one out of 67 [a] total nuclear tests launched on the surrounding Marshall Islands and reefs. [27]
Marshall Islanders are still plagued by health and environmental effects of 67 U.S. nuclear bomb tests from 1946 to 1958, which included "Castle Bravo" at Bikini Atoll in 1954 - the largest U.S ...
While the Marshall Islands testing composed 14% of all U.S. tests, it composed nearly 80% of the total yields of those detonated by the U.S., with an estimated total yield of around 210 megatons, with the largest being the 15 Mt Castle Bravo shot of 1954 which spread considerable nuclear fallout on many of the islands, including several that ...
The most notable event of Operation Castle was the Castle Bravo test. The dry fuel for Bravo was 40% Li-6 and 60% Li-7. Only the Li-6 was expected to breed tritium for the deuterium-tritium fusion reaction; the Li-7 was expected to be inert.
The Daigo Fukuryū Maru (Lucky Dragon No. 5) encountered the fallout from the U.S. Castle Bravo nuclear test at Bikini Atoll, near the Marshall Islands, on March 1, 1954. When the test was held, the Daigo Fukuryū Maru was catching fish outside the danger zone that the U.S. government had declared in advance. However, the test was more than ...