Who was in charge when the atomic bomb was released?

The directive releasing the atomic bomb for use was sent to General Carl Spaatz, commander of the Strategic Air Force in the Pacific. The directive had been approved by Secretary of War Henry Stimson and Army Chief of Staff George Marshall, and presumably by President Truman.

What was the name of the atomic bomb that was dropped?

On August 6, 1945, the United States dropped an atomic bomb on the city of Hiroshima. The bomb was known as “Little Boy”, a uranium gun-type bomb that exploded with about thirteen kilotons of force.

Who was needed to build the first atomic bomb?

Hundreds of physicists, mathematicians, and engineers were needed to design, build, and test the world’s first atomic weapon and the Unites States government did everything in its power to lure these individuals to the Manhattan Project.

Why was heavy water used as a moderator for the atomic bomb?

One of the issues being studied was the use of heavy-water as a moderator, used to slow the travel of secondary neutrons. In the United States, in the summer of 1939, a small number of physicists, alarmed over the possibility of Germany successfully developing an atomic bomb, decided to warn President Roosevelt.

Who dropped the bomb on Hiroshima and Nagasaki?

On August 6, 1945, the B-29 Enola Gay carrying Little Boy and piloted by the commander of the 509th Composite Group, Colonel Paul Tibbets, dropped its bomb on Hiroshima, destroying most of the city and causing possibly 140,000 deaths.

When did the United States drop the first atomic bomb?

On August 6, 1945, the United States dropped its first atomic bomb from a B-29 bomber plane called the Enola Gay over the city of Hiroshima, Japan. The “Little Boy” exploded with about 13 kilotons…

How did they get the atomic bomb to Tinian?

The Story of the Atomic Bomb. Other components of Little Boy were carried from an Army Air Forces base in Albuquerque to Tinian by C-54 aircraft. Components of another bomb, an implosion weapon called Fat Man, intended to be dropped on a second Japanese city, were also carried to Tinian by C-54 and B-29 aircraft.