Missile Defense Project

Authoritative analysis on missile defense and related issues

The Missile Defense Project at CSIS looks at a wide range of policy, program, and strategic issues related to missile defense. Technological and geopolitical factors have driven increased global supply and demand for high-velocity, unmanned, missile-based weapons and their corresponding counters. Besides more recognized cruise and ballistic missile threats, global missile proliferation now consists of a spectrum including precision-guided rockets, anti-ship missiles, air defenses, hypersonic delivery systems, and counterspace weapons.  

About the Missile Defense Project

Learn more about the Missile Defense Project and the network of experts, staff, and non-resident affiliates who contribute to our analysis.

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Photo: CSIS

Photo: CSIS

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Real-time context and forward-looking analysis on strategic forces issues, including nuclear deterrence, missile defense, and space security.

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Photo: U.S. Army photo by Sgt. Derek Hamilton/Released

Photo: U.S. Army photo by Sgt. Derek Hamilton/Released

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The Strategic Landpower Dialogue is a quarterly event series featuring senior Army officers and leaders to discuss critical landpower issues

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Missile Threat

Missile Threat brings together a wide range of information and analysis relating to the proliferation of cruise and ballistic missiles around the world and the air and missile defense systems designed to defeat them.

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The War May Be Ending. What Did Epic Fury Cost?

Iran war costs are estimated to be between $34 billion and $42 billion. As neither the FY 2026 defense budget nor the FY 2027 budget request includes war costs, Congress faces a major battle over paying for the war.

Report by Mark F. Cancian and Chris H. Park — June 23, 2026

Nuclear Armed Hypersonic Missiles | HTK

Please join the CSIS Defense and Security Department for a discussion on nuclear armed hypersonic missiles and whether the United States should reconsider its longstanding hypersonic policy.

Event — June 18, 2026

Warfighting and War Winning in Space

Please join the CSIS Defense and Security Department for a conversation on warfighting in space and its implications for deterrence and strategic stability.

Event — May 26, 2026

Is the U.S. Running Out of Munitions? | All About the Base

All About the Base host and Center for the Industrial Base Director Jerry McGinn speaks with Tom Karako, Director of the Missile Defense Project, on the state of U.S. munitions stockpiles in light of the strikes against Iran and the need for magazine "breadth" and not simply depth.

Event — March 10, 2026