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