What does O&S stand for?
O&S stands for "Operations and Sustainment"
How to abbreviate "Operations and Sustainment"?
"Operations and Sustainment" can be abbreviated as O&S
What is the meaning of O&S abbreviation?
The meaning of O&S abbreviation is "Operations and Sustainment"
What does O&S mean?
O&S as abbreviation means "Operations and Sustainment"
