Summarizing, the reactions involving lithium-6 result in some combination of the two following net reactions: But when lithium-7 is present, one also has some amounts of the following two net reactions: This resultant extra fuel (both lithium-6 and lithium-7) contributed greatly to the fusion reactions and neutron production and in this manner greatly increased the device's explosive output. "Castle Series, 1954. Defense Nuclear Agency Report DNA 6035F (1 April 1982). They would carry the initial reaction's light up to the array of 12 mirror towers built in an arc on the artificial 1-acre (0.40ha) shot island created for the event. 1 de marzo de 1954: Estados Unidos detona la bomba nuclear Castle Bravo Fue la mayor de las 67 explosiones realizadas por Estados Unidos en las Islas Marshall entre 1946 y 1958 para medir el poder de las armas nucleares. Because the Castle Bravo test was done near ground . The Children Who Suffered When a U.S. Nuclear Test Went Wrong - Yahoo News US Department of Energy. The spark plug weighed about 18kg, and its initial firing yielded 0.6 kilotonnes of TNT (2.5TJ). One member died of a secondary infection six months later after acute radiation exposure, and another had a child that was stillborn and deformed. In Mike, the fallout correctly landed north of the inhabited area but, in the 1954 Bravo test, there was a large amount of wind shear, and the wind that was blowing north the day before the test steadily veered towards the east. Since there were also technical concerns that high-Z tamper material would mix rapidly with the relatively low-density fusion fuelleading to unacceptably large radiation lossesthe stand-off gap also acted as a buffer to mitigate the unavoidable and undesirable Taylor mixing. Castle Bravo was the first test by the United States of a practical deliverable fusion bomb, even though the TX-21 as proof-tested in the Bravo event was not weaponized. The fallout from Castle Bravo and other testing on the atoll also affected islanders who had previously inhabited the atoll, and who returned there some time after the tests. On March 1, 1954, the United States carried out its largest nuclear detonation, Castle Bravo, at Bikini Atoll in the Marshall Islands. The U.S. detonated its first deliverable thermonuclear weapon on February 28, 1954, at Bikini. Describes how the island of rongelap was destroyed in 1954 when the united states detonated the largest nuclear weapon, castle bravo, with a thunderous clap. Residents returned home in 1957, but were evacuated by the Greenpeace vessel Rainbow Warrior in 1985 due to concerns about lingering levels of radiation. The Castle Bravo test was responsible for a significant amount of unintended radioactive contamination, augmented by unfavorable weather conditions and changes in wind patterns.