What does O/S mean in Governmental & Military

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All O/S meanings

What does O/S stand for?

O/S stands for "Operations and Support life cycle phase"

How to abbreviate "Operations and Support life cycle phase"?

"Operations and Support life cycle phase" can be abbreviated as O/S

What is the meaning of O/S abbreviation?

The meaning of O/S abbreviation is "Operations and Support life cycle phase"

What does O/S mean?

O/S as abbreviation means "Operations and Support life cycle phase"