What does SIS stand for?
SIS stands for "Satellite Interception System"
How to abbreviate "Satellite Interception System"?
"Satellite Interception System" can be abbreviated as SIS
What is the meaning of SIS abbreviation?
The meaning of SIS abbreviation is "Satellite Interception System"
What does SIS mean?
SIS as abbreviation means "Satellite Interception System"
