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40px-Terminal.png This article, Orbital Defense Grid, was written by Rozh. Please do not edit this fiction without the writer's permission.
ODG1

A portion of CDG Earth, circa 2552.

An Orbital Defense Grid (ODG) is the official term used by the UN Space Command to denote a conglomeration of defensive platforms stationed around a colony or any other, stellar object of importance. The term was first used theoretically by Admiral Winston MacAvrey in 2181, though it wasn't made official until the 2280s.