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