The CSIS International Security Program leads a rigorous analytic agenda covering the most pressing challenges facing the U.S. globally. Our research projects range from multi-year reports to short commentaries and opinion pieces on breaking news. Explore our various research projects here.

Spotlight on Ukraine


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Photo: MSgt John Raven/DVIDS

Photo: MSgt John Raven/DVIDS

F-16s Unleashed: How They Will Impact Ukraine’s War

Unpack the strategic impact of deploying F-16 fighter jets to Ukraine. This analysis by CSIS experts outlines the tactical benefits, challenges, and recommendations crucial for enhancing Ukraine’s defense capabilities within the NATO framework.

Brief by Christopher Koeltzow, Brent Peterson, and Eric Williams — June 11, 2024

Recent Analysis


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Photo: Omar Marques/Getty Images

Photo: Omar Marques/Getty Images

Is NATO Ready for War?

Allied leaders will soon gather in Washington for NATO’s 75th anniversary summit. Ahead of that historic meeting, this paper takes stock of the progress allies have made to strengthen their deterrence and defense since Russia’s full-scale invasion of Ukraine.

Listen to Audio Brief

Report by Sean Monaghan, Eskil Jakobsen, Sissy Martinez, Mathieu Droin, Gregory Sanders, Nicholas Velazquez, Cynthia Cook, Anna Dowd, and Maeve Sockwell — June 11, 2024