What does SIR stand for?
SIR stands for "Supersonic Infantry Rocket"
How to abbreviate "Supersonic Infantry Rocket"?
"Supersonic Infantry Rocket" can be abbreviated as SIR
What is the meaning of SIR abbreviation?
The meaning of SIR abbreviation is "Supersonic Infantry Rocket"
What does SIR mean?
SIR as abbreviation means "Supersonic Infantry Rocket"