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