What does COS stand for?
COS stands for "Critical Occupational Specialty"
How to abbreviate "Critical Occupational Specialty"?
"Critical Occupational Specialty" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Critical Occupational Specialty"
What does COS mean?
COS as abbreviation means "Critical Occupational Specialty"
