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.

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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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Experts


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Kari Bingen
Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
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James Andrew Lewis
Senior Adviser (Non-resident), Economic Security and Technology Department
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Tom Karako
Director, Missile Defense Project and Senior Fellow, Defense and Security Department
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Clayton Swope
Deputy Director, Aerospace Security Project and Senior Fellow, Defense and Security Department
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Benjamin Jensen
Director, Futures Lab, and Senior Fellow, Defense and Security Department