What does OIS stand for?
OIS stands for "ordnance initiation set"
How to abbreviate "ordnance initiation set"?
"ordnance initiation set" can be abbreviated as OIS
What is the meaning of OIS abbreviation?
The meaning of OIS abbreviation is "ordnance initiation set"
What does OIS mean?
OIS as abbreviation means "ordnance initiation set"
