Why We Need to Test Nuclear Weapons

Why We Need to Test Nuclear Weapons

President Barack Obama made history last month when he presided over the nuclear nonproliferation summit at the United Nations Security Council. Since nuclear proliferation is among the most pressing threats facing the world, one would have thought that the president would use the Sept. 24 summit to condemn the newly discovered uranium enrichment facility in Qom, Iran.

He did not. Instead he asked the Security Council to pass a nonbinding resolution stressing the urgency of global disarmament and arms-control treaties among the five permanent Security Council members. The resolution never mentioned Iran or North Korea.

Mr. Obama also said, on behalf of the U.S., that "We will move forward with the ratification of the Comprehensive Test Ban Treaty" (CTBT). This is a profound mistake, as a ban on testing nuclear weapons would jeopardize American national security. Ten years ago this month the U.S. Senate rejected the treaty, and the reasons for doing so are even stronger today.

The CTBT then, as now, does not define what it purports to ban, which is nuclear-weapons testing. This ambiguity leaves countries free to interpret the treaty (and act) as they see fit. Thus, if the U.S. ratified the treaty, it would be held to a different standard than other nations.

Another concern in 1999 was that clandestine nuclear tests could not be verified. That, too, is still the case. While the treaty has not entered into force, the world still uses the treaty's monitoring system (the CTBT Organizations International Monitoring System) to detect nuclear-weapons tests. But even when Pyongyang declared that it would conduct a nuclear-weapons test and announced where and when it would occur, this monitoring system failed to collect necessary radioactive gases and particulates to prove that a test had occurred.

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North Korean leader Kim Jong Il

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