OPN in Military could mean:
Displaying 1-2 of 2 result(s).
Similar to OPN
5CCGP - Fifth Combat Communications Group5M - Machinery, Manpower, Material, Measurement, and Method
6-DOF - Six Degree Of Freedom
60SSC - 60th Signal Service Company
615 AMOG - 615th Air Mobility Operations Group
63B - Light Wheeled Vehicle Mechanic
63Y - Track Vehicle Mechanic Mos
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