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  • Albuquerque, New Mexico, U.S.
    Wednesday May 22, 1957

    Atomic Bomb

    Mark-17 accident

    Albuquerque, New Mexico, U.S.
    Wednesday May 22, 1957

    May 22, 1957: a 42,000-pound (19,000 kg) Mark-17 hydrogen bomb accidentally fell from a bomber near Albuquerque, New Mexico. The detonation of the device's conventional explosives destroyed it on impact and formed a crater 25 feet (7.6 m) in diameter on land owned by the University of New Mexico. According to a researcher at the Natural Resources Defense Council, it was one of the most powerful bombs made to date.




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