Mad Dogs and Servicemen - S3-E13
Frank: Corporal Travis, Richard. To Tokyo. Typical psycho case, shell shock.
Trapper: Frank, that's straight outta World War One! Nobody thinks shell shock anymore.
Frank: Oh, what's the diff? Too much action gets them in the old brain box; makes even the best soldier gaga.
Trapper: Frank, I defy you to show me a medical book that lists the word 'gaga'.
Answer: It is actually Cencompac for Central Command of the Pacific. It is like the headquarters for all military activity in the Pacific Region (Japan, Korea, Okinawa, etc. The newer version of that is United States Pacific Command (USPACOM).
EMTurbo
And the abbreviations were used mainly by the Navy. Especially CENCOMPAC.
Https://en.wikipedia.org/wiki/United_States_Indo-Pacific_Command.