OPI in Military could mean:
Displaying 1-2 of 2 result(s).
Officer of Principal Interest
in Military
Oral Presentation Initiative
in Military

Similar to OPI

1MC - General Announcing System
1MX - 1st Battalion The Middlesex Regiment
1NCD - 1st Naval Construction Division
1SG - First Sergeant
1st - IOC 1st Information Operations Command Land
1WVI - 1st West Virginia Infantry Regiment
1WVLA - 1st West Virginia Light Artillery Regiment

View all in Military