The mushroom cloud billowing up 20,000 feet over Hiroshima on the morning of Aug(Photo from U.S. This shows 'Little Boy' being raised for loading into the Enola Gay's bomb bay. This shows the 'Little Boy' weapon in the pit ready for loading into the bomb bay of the Enola Gay. Various personnel and guards are standing around the loading area. The weapon is in the pit covered with canvas.
Taken at Tinian Island on the afternoon of August 5, 1945, this shows the tail of the Enola Gay being edged over the pit and into position to load 'Little Boy' into the bomb bay. 60 inches in diameter and 128 inches long, the weapon weighed about 10,000 pounds and had a yield approximating 21,000 tons of high explosives (Copy from U.S. National Archives, RG 77-AEC)Ī nuclear weapon of the 'Fat Man' type, the plutonium implosion-type detonated over Nagasaki. 'Little Boy' weighed about 9,000 pounds and had a yield approximating 15,000 tons of high explosives. It is 28 inches in diameter and 120 inches long. Photo restoration by TX Unlimited, San FranciscoĪ nuclear weapon of the 'Little Boy' type, the uranium gun-type detonated over Hiroshima. Nagasaki, Augphotograph by Yosuke Yamahata used with permission of copyright holder, Shogo Yamahata/Courtesy: IDG films.