What does RIO stand for?
RIO stands for "Radar Intercept Operation"
How to abbreviate "Radar Intercept Operation"?
"Radar Intercept Operation" can be abbreviated as RIO
What is the meaning of RIO abbreviation?
The meaning of RIO abbreviation is "Radar Intercept Operation"
What does RIO mean?
RIO as abbreviation means "Radar Intercept Operation"