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