Analysis / CommentaryWe Need More Off-Ramps for Nuclear CrisesByHeather Williams and Nicholas AdamopoulosPublished May 13, 2025States should develop off-ramps—such as crisis communications, third-party mediation, and narrative manipulation—now and in advance of crises in order to reduce the risk of nuclear use.
Analysis / ReportWhat Allies Want: European Priorities in a Contested Security EnvironmentByNicholas AdamopoulosPublished May 13, 2025While the United States remains committed to NATO, it its placing growing pressure on its allies to shoulder more of the burden for European defense. As allies shoulder a growing conventional burden, they want to ensure US extended deterrence commitments remain.
Analysis / ReportGame On: Opportunities for Euro-Atlantic Strategic Stability and Arms ControlByHeather Williams, Nicholas Adamopoulos, Lachlan Mackenzie and Catherine MurphyPublished Apr 23, 2025Europe is likely to remain a theater of instability despite pressure for a peace settlement in Ukraine. As the United States shifts toward the Indo-Pacific and Russia continues to pursue its territorial ambitions, what might arms control look like after the war in Ukraine?
Analysis / CommentaryThe Uncertain Future of U.S.-Russia Arms ControlByNicholas AdamopoulosPublished Feb 23, 2024Time is running out for the United States and Russia to revive cooperation on arms control before the expiration of New START in 2026. Despite efforts from the Biden administration to kickstart progress, Russia remains an unwilling partner for the foreseeable future.
Analysis / CommentaryConventional-Nuclear Integration to Strengthen DeterrenceByDoreen Horschig and Nicholas AdamopoulosPublished Nov 17, 2023The United States and its allies should be prepared to fight a conventional war under the nuclear shadow.
Analysis / ReportReactions from the Next Generation: “The Fragile Balance of Terror: Deterrence in the New Nuclear Age”ByHeather Williams, Kelsey Hartigan, Nicholas Adamopoulos, Suzanne Claeys, Joseph Rodgers, Lachlan Mackenzie and Jess LinkPublished Jul 12, 2023As a follow-on to The Fragile Balance of Terror, the Project on Nuclear Issues (PONI) at the Center for Strategic and International Studies invited eight early- and mid-career experts to offer their reflections on the volume’s chapters and conclusions.
Analysis Arms Control after Ukraine: Integrated Arms Control and Deterring Two Peer CompetitorsByHeather Williams and Nicholas AdamopoulosPublished Dec 16, 2022This paper will first examine ways that the war in Ukraine may impact prospects for arms control, then pose first-order questions about future U.S. arms control policy.