Changes

Little Boy consisted of two masses of [[Uranium]]-235 as [[radioactive]] material. A "[[gun]]-assembly method" ignited the bomb as follows: one subcritical mass of [[uranium]] was fired at another, and together they reached a critical mass to set off a [[nuclear]] explosion.  

Little Boy consisted of two masses of [[Uranium]]-235 as [[radioactive]] material. A "[[gun]]-assembly method" ignited the bomb as follows: one subcritical mass of [[uranium]] was fired at another, and together they reached a critical mass to set off a [[nuclear]] explosion.  

Little Boy (or "LB") was dropped on [[Hiroshima]] [[Japan]] on August 6th, 1945 with an estimated yield of 12.5 kilotons. It is estimated that the bomb killed 140,000 people.  

Little Boy (or "LB") was dropped on [[Hiroshima]] [[Japan]] on August 6, 1945 with an estimated yield of 12.5 kilotons. It is estimated that the bomb killed 140,000 people.  

Little Boy was not deployed after World War II, however U.S. Navy assembly personnel were trained on the weapon until 1950 by the Armed Forces Special Weapons Project.  

Little Boy was not deployed after World War II, however U.S. Navy assembly personnel were trained on the weapon until 1950 by the Armed Forces Special Weapons Project.  

==See Also==

==See also==

* [[Manhattan Project]]

* [[Manhattan Project]]

* [[Atomic bomb]]

* [[Atomic bomb]]