What does ACK-ACK stand for?
ACK-ACK stands for "Anti-Aircraft Fire"
How to abbreviate "Anti-Aircraft Fire"?
"Anti-Aircraft Fire" can be abbreviated as ACK-ACK
What is the meaning of ACK-ACK abbreviation?
The meaning of ACK-ACK abbreviation is "Anti-Aircraft Fire"
What does ACK-ACK mean?
ACK-ACK as abbreviation means "Anti-Aircraft Fire"