Word: nuclearization
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Dates: during 2000-2009
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...plutonium "pit" of a nuclear weapon - the heart of its extraordinary power - suffers radioactive decay, losing power and building up impurities, over time. There is concern that aging pits may fail to detonate properly, or perhaps...
...security and for a more reliable deterrent." RRW basically trades explosive force for greater assurance that new warheads would work predictably in the absence of tests, which the U.S. has refrained from conducting for nearly two decades to help advance nonproliferation goals. (See a graphic of the global nuclear arms balance...
...Obama doesn't buy that logic. Shortly after taking the oath of office on Tuesday, he turned what had been a campaign promise into an official presidential commitment: the new Administration "will stop the development of new nuclear weapons," the White House declared flatly on its website, with no equivocation, asterisks or caveats...
...Obama and Gates are "at loggerheads on this," says Michael O'Hanlon, a military expert at the Brookings Institution who has specialized in nuclear issues. A senior Pentagon official says talk of a resolution is "premature" because he doesn't believe Gates and Obama have discussed the matter...
...Hanlon and other nuclear thinkers have suggested retooling existing weapons to improve reliability as an option. But the Energy Department's National Nuclear Security Administration, which develops America's nuclear weapons, has said it cannot meet the goals set for RRW by modifying existing weapons. Obama's position has backing in Congress, which has repeatedly refused to fund the program. (See who's who in Obama's White House...