OSB in Military could mean:
Displaying 1-2 of 2 result(s).
Oriented Stand Board
in Military
Officer Selection Board
in Military

Similar to OSB

2E - Role 2 Enhanced
2IC - Second In Command
2LM - Role 2 Light Maneuver
2LT - Second Lieutenant
2M - Micro Miniature
2W - 2-Wire
3-D - Three-Dimensional

View all in Military