What does OAO stand for?
OAO stands for "Orbital Astronomical Observatory"
How to abbreviate "Orbital Astronomical Observatory"?
"Orbital Astronomical Observatory" can be abbreviated as OAO
What is the meaning of OAO abbreviation?
The meaning of OAO abbreviation is "Orbital Astronomical Observatory"
What does OAO mean?
OAO as abbreviation means "Orbital Astronomical Observatory"