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Last Nuclear ‘Monster Weapon’ Gets Dismantled

‘Out at the Energy Department’s Pantex Plant near Amarillo, Texas, the last of America’s B-53s is in storage. Come Tuesday, it will be dissected: The 300 pounds of high explosives will be separated from its enriched uranium heart, known as a “pit.” The pit will be placed into a storage locker at Pantex, where it will await a final, highly supervised termination.

“It’s the end of the era of monster weapons, if you will,” says Hans Kristensen, who directs the Nuclear Information Project at the Federation of the American Scientists.

First brought into the U.S. nuclear stockpile in 1962, the B-53 was so big because it was so dumb. With poor precision mechanisms for finding a target — “Its accuracy was horrendous,” Kristensen says — what it lacked in smarts it made up in strength. The nukes that vaporized Hiroshima were a mere 12 kilotons; the B53 provided nine megatons — 9,000 kilotons — of destructive power.’ (via Wired)