What does SIR stand for?
SIR stands for "Shuttle Imaging Radar"
How to abbreviate "Shuttle Imaging Radar"?
"Shuttle Imaging Radar" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Shuttle Imaging Radar"
What does SIR mean?
SIR as abbreviation means "Shuttle Imaging Radar"