What does it mean?
Technology
Business
Society
Internet
Authority
Science
Various
World
Medical
I/O
means Input/ Output in
Military
Similar to I/O
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
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