Defense and Security
Featured Analysis
Photo: Samuel Boivin/NurPhoto via Getty Images
How to Lose an Information War in 10 Days
Commentary by Benjamin Jensen, Nico Vacca, and Jose M. Macias III — May 5, 2026
Iran’s Wartime Government
Photo: Andriy Onufriyenko/GETTY IMAGES
Can Space Be Disrupted Like the Strait of Hormuz?
Commentary by Clayton Swope — May 1, 2026
Photo: CSIS
Strategic Landpower Dialogue: A Conversation with Major General Lars S. Lervik
Photo: Maksym/Adobe Stock
How Open-Source, Real-Time Data Can Defeat China at the Edge of Its Influence
Commentary by Emily Harding — April 29, 2026
Seth G. Jones
Seth G. Jones is president of the Defense and Security Department and Harold Brown Chair at the Center for Strategic and International Studies (CSIS). He focuses on defense strategy, military operations, force posture, and irregular warfare.
Department Programs, Projects, and Initiatives
Aerospace Security Project
Arleigh A. Burke Chair in Strategy
Center for the Industrial Base
Critical Minerals Security Program
Defending Democratic Institutions
Defense 360
Defense Budget Analysis
Futures Lab
Global Security Forum
HTK Series
Intelligence, National Security, and Technology Program
Maritime Security Dialogue
Military Fellows
Missile Defense Project
Project on Nuclear Issues
Smart Women, Smart Power
Strategic Landpower Dialogue
Strategy and Statecraft