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