More than ten years ago Keir A. Lieber and Daryl G. Press forged a productive co-authorship and in “The End of MAD? The Nuclear Dimension of U.S. Primacy” questioned entrenched beliefs about the strategic nuclear balance supposedly existing between the United States and Russia. They then warned that “for the first time in decades, it [United States] could conceivably disarm the long-range nuclear arsenals of Russia or China with a nuclear first strike.”[1] In “The New Era of Counterforce: Technological Challenge and the Future of Nuclear Deterrence,” Lieber and Press return to the topic of the survivability of modern nuclear forces. To Lieber and Press, nuclear deterrence no longer appears. Their sobering analysis of the impacts of ongoing technological changes on the survivability of nuclear forces demonstrates an increased possibility of counterforce attacks.

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