Year
1951

First atomic detonation at the Nevada test site

Forcefully marking the continued importance of the West in the development of nuclear weaponry, the government detonates the first of a series of nuclear bombs at its new Nevada test site.

Although much of the West had long lagged behind the rest of the nation in technological and industrial development, the massive World War II project to build the first atomic bomb single-handedly pushed the region into the 20th century. Code named the Manhattan Project, this ambitious research and development program pumped millions of dollars of federal funds into new western research centers like the bomb building lab at Los Alamos, New Mexico and the fissionable material production center at Hanford, Washington. Ironically, the very conditions that had once impeded western technological development became benefits: lots of wide-open unpopulated federal land where dangerous experiments could be conducted in secret.

After the war ended, the West continued to be the ideal region for Cold War-era nuclear experimentation for the same reasons. In December 1950, the Atomic Energy Commission designated a large swath of unpopulated desert land 65 miles northwest of Las Vegas as the Nevada Proving Ground for atmospheric atomic testing. On January 27, 1951, the government detonated its first atomic device on the site, resulting in a tremendous explosion, the flash from which was seen as far away as San Francisco.

The government continued to conduct atmospheric tests for six more years at the Nevada site. They studied the effects on humans by stationing ground troops as close as 2,500 yards from ground zero and moving them even closer shortly after the detonation. By 1957, though, the effects of radioactivity on the soldiers and the surrounding population led the government to begin testing bombs underground, and by 1962, all atmospheric testing had ceased.

In recent years, the harm caused to soldiers and westerners exposed to radioactivity from the Nevada test site has become a controversial topic. Some critics argue the government waged a “nuclear war on the West,” and maintain that the government knew of the dangers posed to people living near the test site well before the 1957 shift to underground tests. Others, though, point out that the test site has brought billions of dollars into the state and resulted in great economic benefit to Nevada.

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