Hybrid event (presentia / zoom)

Speaker: 
Alexander Sorg is a Ph.D. researcher at the Hertie School’s Centre for International Security, where he was awarded a scholarship through a project funded by the Stanton Foundation. His research interests include nuclear weapons, assurance, and alliances. In his doctoral thesis, he is focusing on the causes and consequences of U.S. foreign-deployed nuclear weapons.

Abstract:
My paper examines the reasons for U.S. nuclear weapon deployments. I argue that there are three causes for these deployments: Assurance, extended deterrence, and power projection. Thus far, the existing literature has largely neglected assurance, especially as a strategy distinct from non-proliferation. I reason that the United States will assure allies that possess credible options outside its alliance system, determined by: First, maintaining good relationships with other great powers. Second, military power. Third, nuclear latency. Allies with credible outside options will receive more assurance in the form of nuclear weapon deployments because the United States fears losing them from its sphere of influence. In addition, nuclear weapons are likely deployed to states that are highly threatened (extended deterrence), located at a great distance to the United States, at strategic military locations, or in regions void of other U.S. allies (power projection). I test my hypotheses using an original dataset that substantially improves existing collection efforts. I include information on each individual nuclear armed delivery vehicle deployed in each year in a host state. In a preliminary data analysis, I find considerable support for my assurance hypothesis.

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