History's Worst Nuclear Disasters Photo Gallery and related media

Three Mile Island (March 28, 1979)

History's Worst Nuclear Disasters

Three Mile Island (March 28, 1979)

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The most serious nuclear accident in U.S. history took place at the Three Mile Island plant near Harrisburg, Pennsylvania, when a pressure valve failed to close, allowing contaminated water to drain into adjoining buildings. The incident eroded the American public's faith in nuclear power.

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Related Photo Galleries (1)

  • History's Worst Nuclear Disasters
    History's Worst Nuclear Disasters

    5 Photos

    From Chernobyl to the March 2011 crisis in Japan, these disasters rank among the most devastating nuclear accidents to date.

    (5 Photos)

Related Speeches & Audio (2)

  • B-29 Raid Against Japan
    B-29 Raid Against Japan

    Audio Clip (0:54)

    As the United States bombards the Japanese islands in 1945, low-level air attacks can be heard in the first-ever direct broadcast of a B-29 raid.

    Audio Clip (0:54)
  • Chernobyl Nuclear Disaster
    Chernobyl Nuclear Disaster

    Audio Clip (1:14)

    Because the USSR did not initially release news of the Chernobyl Nuclear Power Plant accident on April 26, 1986, reporters are left to speculate about the origin of high radiation levels detected in neighboring Finland and Sweden.

    Audio Clip (1:14)

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