What does OOS stand for?
OOS stands for "Orbit to Orbit Shuttle"
How to abbreviate "Orbit to Orbit Shuttle"?
"Orbit to Orbit Shuttle" can be abbreviated as OOS
What is the meaning of OOS abbreviation?
The meaning of OOS abbreviation is "Orbit to Orbit Shuttle"
What does OOS mean?
OOS as abbreviation means "Orbit to Orbit Shuttle"
