What does OOS mean in Governmental & Military

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All OOS meanings

What does OOS stand for?

OOS stands for "Out Of Service"

How to abbreviate "Out Of Service"?

"Out Of Service" can be abbreviated as OOS

What is the meaning of OOS abbreviation?

The meaning of OOS abbreviation is "Out Of Service"

What does OOS mean?

OOS as abbreviation means "Out Of Service"