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A flight test body for a B61-12 nuclear weapon. (Photo: Jerry Refern /Reveal)

Does Obama's Nuclear Modernization Make the Unthinkable 'Thinkable'?

Even those who have advised President Obama on his modernization plan are concerned about the risks posed by the updated weapons

Lauren McCauley

A new investigative report on Monday sheds light on the United States' modernization of its nuclear arsenal and the details are troubling: weapons that are smaller, more accurate, and potentially more likely to be used—and a president who, critics say, has turned his back on hope for a global weapons ban.

Under President Obama, the Energy Department and the Pentagon have been modernizing existing weapons to produce "a smaller, more reliable arsenal," write New York Times reporters William Broad and David Sanger, which allows Obama to claim allegiance to his 2010 pledge to end the development of new U.S. nuclear warheads or capabilities.

One such model, the B61 Model 12, "is the first of five new warhead types planned as part of an atomic revitalization estimated to cost up to $1 trillion over three decades," the Times reports. "As a family, the weapons and their delivery systems move toward the small, the stealthy and the precise."

Last year the bomb was flight-tested by the U.S. government in the Nevada desert. At the time, Russia’s Deputy Defense Minister Anatoly Antonov slammed the tests as "irresponsible" and "openly provocative."

Internally, the updated arms have set off concerns that the once "unthinkable" deployment of a nuclear warhead may now enter the realm of the possible.

Though he backed the upgrades, Gen. James E. Cartwright, one of the president's most influential nuclear strategists and former vice chairman of the Joint Chiefs of Staff, acknowledged to the reporters that "what going smaller does...is to make the weapon more thinkable."

In a subsequent interview, Cartwright expressed concern that the overall modernization plan, and the new precision of the weapons, could alter how military officials assess the risk of using nuclear weapons. "Does it make them more usable?" Cartwright asked. "It could be."

A similar concern was voiced by the Federation of American Scientists, which in early 2014 argued that "the high accuracy and low destructive settings [of the B61 Model 12] meant military commanders might press to use the bomb in an attack, knowing the radioactive fallout and collateral damage would be limited."

Another updated weapon, a nuclear-tipped cruise missile—which the Times describes as "a 'standoff weapon' that bombers can launch far from their targets"—has set off additional alarm.

Andrew C. Weber, a former assistant secretary of defense, and William J. Perry, a secretary of defense under President Clinton and advocate for nuclear draw-down, co-authored a recent article that argued that the new cruise missile might compel a future president to consider "limited nuclear war."

Such warnings are particularly resonant as some U.S. presidential hopefuls have expressed an eagerness to employ the country's nuclear arsenal.

Weber told the Times that, with the new modernization plan, Obama has passed on a real chance at arms control.

"The president has an opportunity to set the stage for a global ban on nuclear cruise missiles," Weber said. "It’s a big deal in terms of reducing the risks of nuclear war."


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