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

Photo: Yevhenii Zavhorodnii/Global Images Ukraine/Getty Images

Photo: Yevhenii Zavhorodnii/Global Images Ukraine/Getty Images

Seizing the Initiative in Ukraine: Waging War in a Defense Dominant World

Ukraine retains the initiative in the war but advanced an average of only 90 meters per day, based on new CSIS analysis of the summer offensive and a comparative review of cases since World War I.

Brief by Seth G. Jones Riley McCabe and Alexander Palmer — October 12, 2023

See all Ukraine analysis by the International Security Program

Recent Analysis

Photo: Simon Wohlfahrt/AFP/Getty Images

Photo: Simon Wohlfahrt/AFP/Getty Images

Countering Small Uncrewed Aerial Systems

Small drones are a serious threat on the modern battlefield. This report examines the threat, the various kinetic and non-kinetic defenses available to defeat them, and how the U.S. Department of Defense has approached this air defense mission across the joint force.

Report by Shaan Shaikh Tom Karako and Michelle McLoughlin — November 14, 2023

See all analysis by the International Security Program