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Defense and Security

Analyzing aspects of defense and security, including acquisition and resources, homeland security, strategy, reconstruction, nuclear issues, and terrorism.

CSIS is a leader in researching, analyzing and identifying defense and security threats around the globe. CSIS programs study a wide range of Defense and Security issues as well as the evolution of past, present, and future defense and security policy worldwide. This research is led by the International Security Program (ISP), which houses Defense Budget Analysis, the Defense-Industrial Initiatives Group (DIIG), the Missile Defense Project, the Project on Nuclear Issues (PONI), Civil-Military Relations, the Aerospace Security Project, the Risk and Foresight Group, Seven Revolutions, the Transnational Threats Project, the Gray Zone Project, the Cooperative Defense Project, and Defense 360.

Find the latest research from our scholars and CSIS events on this topic below.

Defense and Security

  • Counterterrorism and Homeland Security
  • Defense Budget
  • Defense Industry, Acquisition, and Innovation
  • Defense Strategy and Capabilities
  • Geopolitics and International Security
  • Long-Term Futures
  • Missile Defense
  • Space
  • Weapons of Mass Destruction Proliferation
Find Additional Content

Featured

Report
Measuring Service Contract Performance
By Andrew Philip Hunter, Gregory Sanders
September 18, 2020
Commentary
Four Scenarios for Geopolitical Order in 2025-2030: What Will Great Power Competition Look Like?
By Samuel Brannen
September 16, 2020
Commentary
Judging the Impact of U.S. Force Reductions in Afghanistan, Iraq, and Syria
By Anthony H. Cordesman
September 16, 2020

Most Recent

Upcoming Event
Online Book Event: The Emperor’s New Road
September 29, 2020
Upcoming Event
Online Event: Korea Chair "The Capital Cable" #11 with Rep. Ami Bera
September 24, 2020
Podcast Episode
Knight on the Chessboard
By Michael J. Green
In The Asia Chessboard
September 21, 2020
Report
Measuring Service Contract Performance
By Andrew Philip Hunter, Gregory Sanders
September 18, 2020
On Demand Event
Online Event Series: Conversations with Rep. Joaquin Castro and Rep. Will Hurd on “Information Warfare: U.S. Competition with China”
September 17, 2020
Podcast Episode
How the Gulf, India, and Japan Think about Africa
By Judd Devermont
In Into Africa
September 17, 2020
Commentary
Four Scenarios for Geopolitical Order in 2025-2030: What Will Great Power Competition Look Like?
By Samuel Brannen
September 16, 2020
Commentary
Judging the Impact of U.S. Force Reductions in Afghanistan, Iraq, and Syria
By Anthony H. Cordesman
September 16, 2020
View all content associated with this topic

Associated Programs and Projects

International Security Program
Defense 360
Burke Chair in Strategy
Gray Zone Project
View all programs associated with this topic

Experts

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Melissa Dalton
Senior Fellow and Deputy Director, International Security Program, and Director, Cooperative Defense Project
Mark F. Cancian
Senior Adviser, International Security Program
Seth G. Jones
Harold Brown Chair; Director, Transnational Threats Project; and Senior Adviser, International Security Program
Suzanne Spaulding
Senior Adviser, Homeland Security, International Security Program
  • LinkedIn
  • Twitter
Samuel Brannen
Senior Fellow, International Security Program and Director, Risk and Foresight Group
Gregory Sanders
Deputy Director and Fellow, Defense-Industrial Initiatives Group
  • Twitter
Sue Mi Terry
Senior Fellow, Korea Chair
John Schaus
Senior Fellow, International Security Program
Ian Williams
Fellow, International Security Program and Deputy Director, Missile Defense Project
Rhys McCormick
Fellow, Defense-Industrial Initiatives Group
  • Twitter
Kathleen H. Hicks
Senior Vice President; Henry A. Kissinger Chair; Director, International Security Program
  • LinkedIn
  • Twitter
Brian Katz
Fellow, International Security Program; Transnational Threats Project
Anthony H. Cordesman
Arleigh A. Burke Chair in Strategy
  • Twitter
Todd Harrison
Director, Defense Budget Analysis, Director, Aerospace Security Project and Senior Fellow, International Security Program
  • LinkedIn
  • Twitter
Andrew Philip Hunter
Director, Defense-Industrial Initiatives Group and Senior Fellow, International Security Program
Tom Karako
Senior Fellow, International Security Program and Director, Missile Defense Project
  • Twitter
Rebecca Hersman
Director, Project on Nuclear Issues, and Senior Adviser, International Security Program
View all resident experts associated with this topic
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