What does COS stand for?
COS stands for "Company Orderly Sergeant"
How to abbreviate "Company Orderly Sergeant"?
"Company Orderly Sergeant" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Company Orderly Sergeant"
What does COS mean?
COS as abbreviation means "Company Orderly Sergeant"
