The British Test A Hydrogen Bomb

On May 15, 1957, the United Kingdom became the third nation to explode a fusion, or hydrogen, bomb. The blast took place near Malden Atoll about 400 miles south of Christmas Island. Two more H-bombs were exploded to complete the test series.

The third British hydrogen bomb was detonated in June 1957.

SOURCE
Nuclear Weapon Archive nuclearweaponarchive.org/Uk/UKTesting.html

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This page was last updated on December 26, 2017.