What does OSO stand for?
OSO stands for "Orbiting Satellite Observer"
How to abbreviate "Orbiting Satellite Observer"?
"Orbiting Satellite Observer" can be abbreviated as OSO
What is the meaning of OSO abbreviation?
The meaning of OSO abbreviation is "Orbiting Satellite Observer"
What does OSO mean?
OSO as abbreviation means "Orbiting Satellite Observer"
