Weapons systems or military platforms stationed in space, designed to prevent hostile actions by an adversary through the threat of overwhelming, rapid, and inescapable retaliation from orbit. This is the ultimate high ground, where a platform could hold kinetic bombardment rods ("Rods from God"), lasers, or surveillance systems. The deterrent power comes from the inability of terrestrial defenses to reliably stop an attack that begins outside the atmosphere and has mere minutes to impact.
Example: In the novel Seveneves, the "Cloud Ark" and its defenders become a de facto Orbital Deterrent against Earth-based aggression. The theoretical system of tungsten telephone-pole-sized rods dropped from orbit to strike with the force of a nuclear weapon—without fallout—is a classic sci-fi example of a terrifyingly clean, fast, and unstoppable deterrent. Orbital Deterrents
by Abzugal Nammugal Enkigal February 3, 2026
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