OPN in Military could mean:
Displaying 1-2 of 2 result(s).
Similar to OPN
517 PRCT - 517th Parachute Regimental Combat Team596 SSC - 596th Signal Support Company
5CCGP - Fifth Combat Communications Group
5M - Machinery, Manpower, Material, Measurement, and Method
6-DOF - Six Degree Of Freedom
60SSC - 60th Signal Service Company
615 AMOG - 615th Air Mobility Operations Group
View all in Military