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
Nonresident Scholar, Nuclear Policy Program
Ulrich Kühn is 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
- Time for Nuclear Recycling? Prospects and Implications During a Global Nuclear Energy RenewalPaper
Nuclear recycling has emerged as a salient, cross-cutting issue, one that is heavily dependent on broader choices among reactor designs, fuel availability, economic resources, technological options, and political choices. States and nuclear industries seeking to advance recycling must devote sustained consideration now to the interplay of all these factors.
Etienne Pochon
- The World According to Putin: No Deal on Ukraine in SightCommentary
The issue is not that the president only has selective information at his disposal, but that the decision-making process consists of one person with an unshakeable vision of how the world works.
Tatiana Stanovaya
- Russia’s Elite Conflict Over Internet Restrictions Does Not Herald Regime CollapseCommentary
A much-discussed disagreement over internet restrictions in Russia was never an existential threat for Putin: It was about elite groups protecting their interests.
Alexandra Prokopenko
- Managing Divergence: India’s BRICS Presidency in 2026Article
This piece argues that India’s central challenge is not managing a single flashpoint but resolving the underlying tension between expansion and institutional coherency of the BRICS grouping.
Vrinda Sahai
- Is Belarus Really Set to Return to the Ukraine War?Commentary
By reminding the world that Lukashenko is a threat to NATO and Ukraine, Kyiv is trying to return the focus to why the Belarusian regime needs to be contained rather than rewarded.
Artyom Shraibman