39.The H-bomb Castle Bravo test in 1954 was the most powerful nuclear explosion ever detonated by the United States.

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nucleartest
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atomicbomb
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hydrogenbomb
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nuclearfallout
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nuclearexplosion
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radiationpoisoning
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nucleararmsrace
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thermonuclearbomb
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mutuallydestruction
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nuclearstrategy
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coldwartensions
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testingprogram
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nuclearenergy
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nuclearproliferation
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nucleardisarmament
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nucleardeterrence
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strategicbombing
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weaponsdevelopment
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nuclearsafety
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power
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shelter
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systems
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arms