Official photograph of the Office of Chief of Engineers, now in the collections of the National Archives. Boeing B-29 Superfortress, Enola Gay, returns after the strike Hiroshima, August 6, 1945. Image: 77-BT-91: Tinian Island, August 1945. The first atomic bomb was dropped from a B-29 called the Enola Gay on the morning of August 6, 1945, onto the city of Hiroshima. Four days later, Japanese submarine, I-58, sank Indianapolis, northeast of Leyte.Ī replica of Little Boy can be found at " In Harm's Way: Pacific" exhibit area in the National Museum of the Navy, Bldg.
Previously, on July 26, the bomb, along with " Fat Man" was transported to Tinian Island by USS Indianapolis (CA-35) for final assembly. There was only enough weapons-grade uranium available for one bomb, and confidence in the gun-type design was high, so on July 14, 1945, most of the uranium. A U-235 projectile fired down a gun barrel collided with a stationary element, causing a mass increase leading to nuclear fission. Nuclear fission was achieved by the collision of two parts of active material (Uranium-235). A blast equivalent to the power of 15,000 tons of TNT reduced four square miles of the. The gun-type weapon possessed the power of 26,000,000 pounds of high explosives. On August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb over the Japanese city of Hiroshima. The bomb weighed 9,000 pounds and had a diameter of only 28 inches. The bomb was dropped by a plane named the Enola Gay which was. The bomb was dropped by a USAAF B-29 bomber, Enola Gay, piloted by U.S. The explosion was huge, the city was destroyed, and tens of thousands of people were killed. Smithsonian History Bibliography Summary: A collection of essays by eight historians address the controversy at the Smithsonians National Air and Space Museum in the early 1990s over the display of the Enola Gay, the B-29 bomber that dropped the atomic bomb on Hiroshima at the close of World War II.
The atomic bomb used at Hiroshima, Japan, on August 6, 1945, was "Little Boy".