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