This shows a duplicate of a replica of "Little Boy" which was a uranium type of the atomic bomb dropped in Hiroshima City. The replica was reproduced the appearance and color from the atomic bomb material to the details of the prototype. In the center of the "Little Boy", an orange safety plug protected the safety device.
The replica of "Little Boy" is exhibited at the Smithsonian Air and Space Museum located at the side of Dulles Airport. Enola Gay's B-29 bomber that dropped "Little Boy" was also displayed in the annex of the museum. In 1995, the Veteran organization of the US military protested the exhibition of "Enola Gay" B-29, and the exhibition was torn down. In 2003 the disaster and historical documents caused the Hiroshiam Atomic Bomb about the legitimacy of the American military were deleted and exhibited in the annex.
The B-29 bomber of the Box Car that dropped the Nagasaki Atomic Bomb is displayed with the Nagasaki Atomic Bomb "Fat Man" at the Dayton Air Force Museum in Ohio sate.