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Add Yahoo as a preferred source to see more of our stories on Google. Part of Operation Upshot-Knothole, was a 15-kiloton test fired from a 280-mm cannon on May 25, 1953 at the Nevada Proving Grounds.

The H-bomb explosions in mid-Pacific last year were awesome proof of how big the atom can blow. The 14 test shots at Yucca Flat, Nev., programmed between Feb. 1 and this week, are equally sensational ...

How big is an atomic bomb? It took a B-29 to carry the first one, dropped on Hiroshima, which may have weighed more than 10,000 Ibs. The Army’s announcement last week that it will abandon its ...

America’s love affair with the aircraft carrier was not always a factor in the strategies of the United States Navy. Before the Second World War, it was the battleship that dominated America’s ...