This Day in Aviation History

May 15th, 1957
An RAF Valiant drops Britain’s first thermonuclear weapon over Christmas Island.

Wikipedia, Vickers Valiant:  http://bit.ly/1ouLxd8

Wikipedia, Operation Grapple:  http://bit.ly/1mYV1ho

Wikipedia: Nuclear weapons and the United Kingdom:  http://bit.ly/1mwQX57

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