Trinity Test


July 16, 1945
5:29:45 a.m. (Mountain War Time)
Trinity Site, Alamogordo Test Range, Jornada del Muerto desert.
Yield: 19 – 21 Kilotons

Trinity was the code name of the first detonation of a nuclear device.  The test was conducted by the United States Army on July 16, 1945, in the Jornada del Muerto desert about 35 miles (56 km) southeast of Socorro, New Mexico at the White Sands Proving Ground.  The date of the test is usually considered to be the beginning of the Atomic Age.

J. Robert Oppenheimer, considered the ‘father of the atomic bomb’, reflecting on the Trinity Test in a 1965 television interview stated:

We knew the world would not be the same. A few people laughed, a few people cried. Most people were silent. I remembered the line from the Hindu scripture, the Bhagavad Gita; Vishnu is trying to persuade the Prince that he should do his duty and, to impress him, takes on his multi-armed form and says, ‘Now I am become Death, the destroyer of worlds.’ I suppose we all thought that, one way or another.

To view the interview statement visit

For more information:

Click here to view the Los Alamos National Laboratory Trinity Test slideshow.

Click here to view the Wikipedia page about the Trinity Test.

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