This undated handout photo provided by the National Nuclear Security Administration shows the United States' last B53 nuclear bomb. The 10,000-pound bomb is scheduled to be dismantled Tuesday, Oct ...

View full sizeThis undated handout photo provided by the National Nuclear Security Administration shows the United States' last B53 nuclear bomb. The 10,000-pound bomb is scheduled to be ...

The B53 was designed to destroy facilities deep underground, and it was carried by B-52 bombers. With its destruction, the next largest bomb in operation will be the B83, said Hans Kristensen, a ...

This past week, the U.S. dismantled the last of its largest nuclear bombs, the B53. This was a Dr. Strangelove bomb, conjuring up images of armageddon and apocalypse. At the same time, one of the ...

Texas scientists were disassembling the last of America's nuclear behemoths on Tuesday - a 10,000-pound atomic megabomb with 600 times the destructive power of the nuke dropped on Hiroshima.

The last B53 bomb - hundreds of times more powerful than Hiroshima atomic bomb - is being disassembled at Texas plant Latest U.S.

The B53 gravity bomb was the perfect Cold War weapon: dumb and powerful, it vastly outclassed the destructive force of the bombs that vaporized Hiroshima and Nagasaki. On Tuesday, the final B53 ...

The U.S. developed the B53 nuclear device, a thermonuclear weapon with a yield of 9 megatons. The Soviet Union answered with something much more horrifying, the Tsar Bomba. This bomb blew the ...

The last of America's most powerful Cold War-era nuclear bombs - the B53 - has been dismantled in Texas. Experts have separated around 300lb (136kg) of high explosives from the bomb's uranium "pit".

The last B53 nuclear bomb, a powerful weapon some 600 times more powerful than the Hiroshima bomb, is dismantled in Texas.