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