Little Boy

Little Boy

Main page: Atomic bombings of Hiroshima and Nagasaki

Little Boy is the name that was given to the first atomic bomb that was dropped in a war. The bomb was dropped on the Japanese city of Hiroshima on 6 August 1945 by the American army who were trying to end World War II. Enola Gay was the name of the plane that dropped Little Boy.

Little Boy Media

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  Photograph of a mock-up of the Little Boy nuclear weapon dropped on Hiroshima, Japan, in August 1945. This was the first photograph of the Little Boy bomb casing to ever be released by the U.S. government (it was declassified in 1960).

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  As part of Project Alberta, Commander A. Francis Birch (left) assembles the bomb while physicist Norman Ramsey watches. This is one of the rare photos where the inside of the bomb can be seen.

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  The "gun" assembly method. When the hollow uranium projectile was driven onto the target cylinder, a nuclear explosion resulted.

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  Two Little Boy type bomb assemblies on Tinian, with casings open. For unit L-1, in the foreground, boxes containing hardware for the clock timers, radar fuzing units, and batteries are visible and arranged around the central gun tube.

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  Little Boy Internal Components

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  Arming plugs for a Little Boy type atomic bomb on display at the National Air and Space Museum's Steven F. Udvar-Hazy Center

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  Enola Gay after Hiroshima mission, entering hardstand. It is in its 6th Bombardment Group livery, with victor number 82 visible on fuselage just forward of the tail fin.

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  Atomic cloud over Hiroshima - NARA 542192 - Edit

• The General Effects of the Atomic Bombs on Hiroshima and Nagasaki, a U.S. Air Force film