What does SPA stand for?
SPA stands for "SOSUS Probability Area"
How to abbreviate "SOSUS Probability Area"?
"SOSUS Probability Area" can be abbreviated as SPA
What is the meaning of SPA abbreviation?
The meaning of SPA abbreviation is "SOSUS Probability Area"
What does SPA mean?
SPA as abbreviation means "SOSUS Probability Area"
