FATMAN
Fat Man
Fat Man was the codename for the type of atomic bomb that was detonated over Nagasaki, Japan, by the United States on 9 August 1945. It was the second of two nuclear weapons to be used in warfare to date, the other being Little Boy, and its detonation caused the third man-made nuclear explosion.The above text is a snippet from Wikipedia: Fat Man
and as such is available under the Creative Commons Attribution/Share-Alike License.