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1.
An abilitly granted to CR 4 and 5 commanders in the online game Planetside. It is used by designating a target with a command uplink device. The target is then struck with a large energy beam fired from an orbital station in space. Also known as an "OS".
I destroyed an enemy AMS with my Orbital Strike.

My record for OS kills is 43.
by DarkFusion May 19, 2004