What does OA stand for?
OA stands for "Office of Aeronautics"
How to abbreviate "Office of Aeronautics"?
"Office of Aeronautics" can be abbreviated as OA
What is the meaning of OA abbreviation?
The meaning of OA abbreviation is "Office of Aeronautics"
What does OA mean?
OA as abbreviation means "Office of Aeronautics"
