The Nuclear Umbrella is Bent, Not Broken

Why Extended Nuclear Deterrence Still Matters Jennifer Lind and Daryl Press make a compelling argument in a recent article about the future willingness of the United States to provide extended nuclear deterrence, sometimes referred to as the “nuclear umbrella” to over 30 allies. Since the early days of the Cold War, the U.S. made a commitment to defend Europe against Soviet aggression, and under extreme conditions, included the use of nuclear weapons. Similar assurances were made to Japan, South Korea and Australia. The protection provided by this nuclear umbrella has been a hallmark of international order for decades as allies trusted the U.S. would protect them and therefore had no reason to develop their own nuclear weapon capabilities. Lind and Press rightly point out the security environment has changed dramatically, and the “order” created by the United States during the Cold War no longer exists. With the dissolution of the Soviet Union, Lind and Press argue Russia’s nuclear threat on a global scale is much diminished with Russia focused on its boundaries with eastern Europe and less concerned with “the global balance of power”. Similarly, Lind and Press view North Korea’s n...