Monday, January 16, 2006

The Most Powerful Bomb Ever Constructed

"On October 30, 1961, the most powerful weapon ever constructed by mankind was exploded over the island of Novaya Zemlya in the Arctic Sea. The device was code-named "Ivan," and it was a multi-stage hydrogen bomb which was built in only fifteen weeks by engineers in the USSR, using off-the-shelf nuclear weapon components."
It was intended as a display of Soviet superiority during a period of grave tension between the USSR and the United States. The Russians had erected the Berlin wall only two months earlier, and they had just ended a shaky, three-year moratorium on atmospheric nuclear weapons testing. Before Ivan, the largest explosion the world had seen was an incredible 15 megatons, an event which caused a mushroom cloud five kilometers across. Ivan's explosion was over three times more powerful, despite the fact that the device was deliberately prevented from operating to its full potential.

The completed weapon weighed 27 metric tons, and though it was technically "aircraft-deliverable," it was too large to fit inside the bomb bay of the largest soviet bomber of that era, the Tu-95. Consequently, a Tu-95 was specially modified for the task, including the removal of the bomb bay doors to allow the bomb to protrude from the plane, and a coating of a special reflective paint to minimize the heat damage it would sustain from the fireball. Ivan was also attached to a parachute to prevent it from descending too rapidly, thereby giving the bomber adequate time to get out of range of the blast.

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