Little Boy was a type of atomic bomb created by the Manhattan Project during World War II. The name is also often used to describe the specific bomb used in the bombing of the Japanese city of Hiroshi
Little Boy bomb
"Thin Man" plutonium gun test casings at Muroc Army Airfield, as part of Project Alberta in the Manhattan Project, illustrating their relative length and size
Little Boy target case (left) attached to a gun tube at Anchor Ranch, Los Alamos, used for testing purposes. Compare with a similar image of the Thin Man internal components.
As part of Project Alberta, Commander A. Francis Birch (left) assembles the combat unit (L-11) while physicist Norman Ramsey watches. This is one of the rare photos where the interior of the bomb can be seen, with the fuzing units and battery boxes visible, attached around the gun tube.
Hiroshima is the capital of Hiroshima Prefecture in Japan. As of June 1, 2019, the city had an estimated population of 1,199,391. The gross domestic product in Greater Hiroshima, Hiroshima Urban Emplo
Little Boy
…Although all of its components had been individually tested, no full test of a gun-type nuclear weapon occurred before the Little Boy was dropped over Hiroshima. The only test explosion of a nuclear weapon concept had been of an implosion-type device employing plutonium as its fissile material, which took place…
Atomic Bomb Dome and Motoyaso River, Hiroshima, Northwest view 20190417 1
Hiroshima Peace Memorial Museum 2
Takueichi Pond and Kokokyo Bridge in Shukkei Garden 1