What does SIR stand for?
SIR stands for "Subsurface interface radar"
How to abbreviate "Subsurface interface radar"?
"Subsurface interface radar" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Subsurface interface radar"
What does SIR mean?
SIR as abbreviation means "Subsurface interface radar"
