What does COS stand for?
COS stands for "Celestial Observation Satellite"
How to abbreviate "Celestial Observation Satellite"?
"Celestial Observation Satellite" can be abbreviated as COS
What is the meaning of COS abbreviation?
The meaning of COS abbreviation is "Celestial Observation Satellite"
What does COS mean?
COS as abbreviation means "Celestial Observation Satellite"
