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  • U.S.
    Thursday May 16, 1957

    Nuclear Power

    USS Skate (SSN-578)

    U.S.
    Thursday May 16, 1957

    USS Skate (SSN-578), the third submarine of the United States Navy named for the skate, a type of ray, was the lead ship of the Skate class of nuclear submarines. She was the third nuclear submarine commissioned, the first to make a completely submerged trans-Atlantic crossing, and the second submarine to reach the North Pole and the first to surface there.




  • 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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