Analysis


In Depth Analysis, Commentary, and Publications

177 items, Page 1 of 18

Protecting America’s Spectrum: A Fireside Chat with Senator Maria Cantwell (D-WA)

On June 12, 2025, the CSIS Missile Defense Project hosted a fireside chat with Senator Maria Cantwell (D-WA), Ranking Member of the Senate Committee on Commerce, Science and Transportation, on why protecting America's electromagnetic spectrum is critical to U.S. national security. The discussion examined spectrum challenges across defense, critical infrastructure, and emerging technologies that underpin our national security.

Why Auctioning Military S-Band Spectrum Is a Bad Idea

Auctioning the low-3 S-band spectrum for commercial 5G use poses serious national security risks, potentially interfering with military radar and missile defense systems. Given escalating air and missile threats, the U.S. should maintain exclusive military access to this spectrum while continuing to study long-term sharing options.