Ulrich Kühn
The Fall Crisis of 2022: Why Did Russia Not Use Nuclear Arms?
Back in the fall of 2022, parts of the U.S. administration assessed a heightened risk of Russian nuclear use in the Ukraine War. Despite this assessment, nuclear weapons were not used. Why did Russia not use nuclear weapons during the fall of 2022?
About the Author
Former Nonresident Scholar, Nuclear Policy Program
Ulrich Kühn was a nonresident scholar at the Carnegie Endowment for International Peace, and the head of the arms control and emerging technologies program at the Institute for Peace Research and Security Policy at the University of Hamburg.
- Why Arms Control Is (Almost) DeadCommentary
- Preventing Escalation in the Baltics: A NATO PlaybookReport
Ulrich Kühn
Recent Work
Carnegie does not take institutional positions on public policy issues; the views represented herein are those of the author(s) and do not necessarily reflect the views of Carnegie, its staff, or its trustees.
More Work from Carnegie Endowment for International Peace
- The Impacts of the Houthis’ Advance Could Extend Well Beyond Saudi ArabiaCommentary
The Horn of Africa countries are among those facing a new security calculus.
Andrew Leber, Lesley Anne Warner
- Will the Far Right Change Europe’s Russia Policy?Commentary
The European far right might fail to steer EU policy in the direction Russia wants, but they will create enough chaos inside Europe to benefit the Kremlin.
Dimitar Bechev
- The Denmark-Greenland-U.S. Agreement Needs to Stand the Test of TimeCommentary
The new U.S.–Denmark–Greenland agreement will help Washington exert political, economic, and financial dominance under the guise of security. Yet, it acknowledged Copenhagen’s and Nuuk’s sovereignty on the island.
Marc Pierini
- Untangling the Nuclear Knot: A Constructive Agenda for Managing China’s Nuclear Relations with the United States and Its AlliesPaper
The nuclear relationship between China and the United States is increasingly shaped by widening perception gaps rather than deliberate strategic design.
Tong Zhao
- A Black Sea Truce Is About Global Food Security, TooCommentary
A summer of escalation in the Black Sea has hurt Ukraine economically and is exacerbating world food security. A truce is needed—as is a broader reframing of Europe’s Ukraine strategy.
Thomas de Waal