Who dropped the nukes on Japan?

President Harry S. Truman, warned by some of his advisers that any attempt to invade Japan would result in horrific American casualties, ordered that the new weapon be used to bring the war to a speedy end. On August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb over the Japanese city of Hiroshima.

Where was the first atomic bomb drop?

On 6 August 1945, at 08:15, the first bomb was dropped on the centre of Hiroshima. ‘Little Boy’ was a gun-type fission bomb, using a conventional explosive charge to fire one sub-critical mass of uranium into another. This kind of device had never been tested before, but the scientists were confident it would work.

What were the reasons to drop the atomic bomb?

Summary of Possible Reasons:

  • Ending the war early while minimizing casualties.
  • Justifying the expenses of the Manhattan Project (creating the bomb)
  • Simply using the bomb because it existed and to test its effects.
  • Impressing the Soviet Union.
  • A response to Pearl Harbor.
  • Forcing Japan to surrender.

Did America need to drop the atomic bomb?

President Harry Truman did not need to drop the atomic bomb to end World War II. The first test explosion of an atomic bomb, called Trinity, was conducted by the U.S. Army July 16, 1945, as part of the Manhattan Project on what is now part of White Sands Missile Range.

What happens if you nuke the ocean?

Underwater nuclear tests close to the surface can disperse radioactive water and steam over a large area, with severe effects on marine life, nearby infrastructures and humans.

Why did the United States drop a second atomic bomb on Japan?

Official A-Bomb Justification: Save US Lives According to Truman and others in his administration, the use of the atomic bomb was intended to cut the war in the Pacific short, avoiding a U.S. invasion of Japan and saving hundreds of thousands of American lives.

What were the main arguments against dropping the atomic bomb on Japan?


  • It was inhumane.
  • It caused too much destruction.
  • It killed too many innocent people, including children.
  • It was unnecessary as Japan was essentially defeated.
  • Japan was seeking surrender.
  • It was not universally supported in the United States.

How much did the atomic bomb Fat Man weigh?

10,800 pounds
This implosion-type plutonium bomb, nicknamed Fat Man, weighed 10,800 pounds. The bomb was dropped on Nagasaki, Japan, August 9, 1945, at 11:01 AM. The B-29 Bock’s Car (named after Frederick Bock, who was the usual pilot), dropped the bomb from 29,000 feet.