ODISC4 means Office of the Director of Information Systems for Command, Control, Communications, and Computers in
Military
Similar to ODISC4
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
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