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space-based sensors

A SBIRS Geo satellite

“Big, fat, juicy targets”— the problem with existing early-warning satellites. And a solution.

By Jaganath Sankaran | Nuclear Risk, Opinion

A map that shows the relative missile defense interceptor coverage of a certain array of space-based platforms.

Why a space-based missile interceptor system is not viable

By Thomas G. Roberts | Nuclear Risk, Nuclear Weapons