Space and Aerospace

CSIS examines the technological, budgetary, and policy issues related to the space domain with analysis led by the Aerospace Security Project, the Missile Defense Project, the Strategic Technologies Program, and the International Security Program.

Photo: U.S. Navy photo by Eric Parsons/released via DVIDS

Photo: U.S. Navy photo by Eric Parsons/released via DVIDS

Why Auctioning Military S-Band Spectrum Is a Bad Idea

Auctioning off the low-3 S-band spectrum for commercial use would risk jamming military radars and degrading missile defense capability.

Commentary by Tom Karako — June 9, 2025

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Kari Bingen

Kari A. Bingen

Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
James Andrew Lewis

James Andrew Lewis

Senior Adviser (Non-resident), Economic Security and Technology Department
Tom Karako

Tom Karako

Director, Missile Defense Project and Senior Fellow, Defense and Security Department
Clayton Swope

Clayton Swope

Deputy Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
Benjamin Jensen

Benjamin Jensen

Director, Futures Lab, and Senior Fellow, Defense and Security Department

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The Golden Dome as a Service

The United States should consider how acquiring the Golden Dome as a commercial service would unlock tremendous innovation and speed advantages, and bring the full creative might of the U.S. commercial sector to bear addressing this national security priority.

Report by Clayton Swope — June 5, 2025

America's 'Golden Dome' Explained

Please join the CSIS Defense and Security Department for a conversation on the feasibility, cost, and security implications of future U.S. missile defense programs.

Event — June 4, 2025

America's 'Golden Dome' Explained

CSIS Defense and Security Department experts discussed the Golden Dome project, its implications for U.S. allies and partners, and ingredients for success on an ambitious timeline.

Transcript — June 4, 2025

NASA Budget Outlook Discussion

To learn more about the 2026 NASA budget proposal, released May 2, 2025, please join the Aerospace Security Project for a moderated, virtual discussion.

Event — May 14, 2025

NASA Budget Outlook Discussion

The CSIS Aerospace Security Project welcomed Mike French, founder of the Space Policy Group, to discuss the implications of the FY26 NASA budget proposal.

Transcript — May 14, 2025

Conflict in Focus: Lessons from Russia-Ukraine

The Russia-Ukraine War has redefined modern conflict, from drones and cyberattacks to contested space. Conflict in Focus, a CSIS series, unpacks key lessons across all domains of war—insights vital for anticipating and preparing for future large-scale conflicts.

Report by Matthew Slusher, Krista Auchenbach, Scott Murphy, Quinton Packard, Scott Pence, and Luke Slivinski — May 2, 2025