Conflict in Korea justified a less-expensive continental testing site in order to maintain U.S. nuclear weapons superiority. During this period, nuclear tests were conducted in groups known as"operations" or "test … Accounting for all types of nuclear tests… …1950s and ’60s for the nuclear weapons tests conducted at the federal government’s Nevada Test Site, some 65 miles (105 km) from Las Vegas. The tower stood 1,500 feet above ground … However, their experiences during and since the 1950s … January 31 - President Truman announces the decision to proceed with development of the hydrogen bomb. Long before sunrise on April 22, 1952, the lights of a motor caravan snaked through the desert darkness on a 65-mile trip from Las Vegas to the nuclear testing ground at Yucca Flat. June - First British nuclear … At first the local populace responded favourably to these … This Centers for Disease Control and Prevention (CDC) web site provides information about radioactive fallout from nuclear weapons tests conducted in the atmosphere around the world (global weapons testing) during the 1940s and 1950s… In an August 1, 1950 meeting at Los Alamos, Enrico Fermi and Edward Teller discussed the Nevada Test … Without the knowledge that they were there, the government failed to adequately warn people who may have been affected by radioactive fallout from the nuclear tests. United States nuclear tests were conducted on an intermittent basis from July 1946to October 1958. Prior to 1950, only limited consideration was given to the health impacts of worldwide dispersion of radioactivity from nuclear testing. When it detonated 90 nuclear weapons in the Nevada desert during the 1950s, the U.S. government did not think the radioactive fallout could cause cancer in people living as far away as … In the 1950s, nuclear testing began at the Nevada National Security Site as technicians mounted the Apple-2 bomb on top of a detonation tower. Between 1945 and 1980, the United States, the U.S.S.R., the United Kingdom, France and China exploded 504 nuclear devices in atmospheric tests at thirteen primary sites yielding the explosive equivalent of 440 megatons of TNT.Of these atmospheric tests, 330 were conducted by the United States. The Nuclear Test Series. War in Asia caused the United States to reconsider testing nuclear weapons in the Pacific Ocean and to look for a continental test site. Public protests in the 1950s and concerns about the radionuclide strontium-90 (see Chart 1) and its effect on mother’s milk and babies’ teeth were instrumental in the conclusion of the Partial Test … 1951 January 27 - The first nuclear test occurs at the Nevada Test Site. 1950 January 27 - Klaus Fuchs confesses that he gave atomic secrets to the Soviets while working at the Manhattan Project. Nuclear testing.