End the first-use policy for nuclear weapons

James E. Cartwright, a former vice chairman of the Joint Chiefs of Staff and former commander of the United States Strategic Command, and Bruce G. Blair, a former Minuteman launch officer, write: Throughout the nuclear age, presidents have allowed their senior commanders to plan for the first use of nuclear weapons. Contingency plans were drawn to initiate first strikes to repel an invasion of Europe by the Soviet Union, defeat China and North Korea, take out chemical and biological weapons and conduct other missions.

After the end of the Cold War, which coincided with revolutionary advances in our nonnuclear military capacities, the range of these missions steadily narrowed to the point where nuclear weapons today no longer serve any purpose beyond deterring the first use of such weapons by our adversaries. Our nonnuclear strength, including economic and diplomatic power, our alliances, our conventional and cyber weaponry and our technological advantages, constitute a global military juggernaut unmatched in history. The United States simply does not need nuclear weapons to defend its own and its allies’ vital interests, as long as our adversaries refrain from their use.

Using nuclear weapons first against Russia and China would endanger our and our allies’ very survival by encouraging full-scale retaliation. Any first use against lesser threats, such as countries or terrorist groups with chemical and biological weapons, would be gratuitous; there are alternative means of countering those threats. Such use against North Korea would be likely to result in the blanketing of Japan and possibly South Korea with deadly radioactive fallout.

But beyond reducing those dangers, ruling out first use would also bring myriad benefits. To start, it would reduce the risk of a first strike against us during global crises. Leaders of other countries would be calmed by the knowledge that the United States viewed its own weapons as deterrents to nuclear warfare, not as tools of aggression. [Continue reading…]

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