OPUS means OSS/PODPS
Observation Support System/Post-Observation Data Processing System Unified System in
Military
Similar to OPUS
278 ACR - 278th Armored Cavalry Regiment
2AD - 2nd Armored Division
2E - Role 2 Enhanced
2IC - Second In Command
2LM - Role 2 Light Maneuver
2LT - Second Lieutenant
2M - Micro Miniature
View all in Military