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01/03/1954 Bikini H-bomb

4:10

Castle Bravo Nuclear Test

3:32

Destroyed in Seconds - Castle Bravo

4:43

The Deadly Miscalculation at Castle Bravo (V3.0)

The United States detonated a thermonuclear device at the Bikini Atoll in the Pacific Ocean. The operation was codenamed Castle Bravo. The bomb's yield was 15 megatons of TNT. It was 6 times the predicted 6 megatons, due to unforeseen additional reactions in the device. It was the most powerful U. S. nuclear detonation.
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    • Essentials 

    • Bomb design 

    • Detonation 

    • High levels of fallout 

    • Weapon history 

    • Health impacts 

    • In popular culture