What does AOS stand for?
AOS stands for "FAA Operational Support Service"
How to abbreviate "FAA Operational Support Service"?
"FAA Operational Support Service" can be abbreviated as AOS
What is the meaning of AOS abbreviation?
The meaning of AOS abbreviation is "FAA Operational Support Service"
What does AOS mean?
AOS as abbreviation means "FAA Operational Support Service"