Continuity mistake: Margaret is shampooing Frank's hair; she raises her foam covered hands to allow him to kiss her. The camera angle changes and her hands are nearly foam-free. (00:03:25)
Continuity mistake: When the General comes up, Pierce and Trapper are walking away toward the camera's left. When Pierce calls for the General's attention he is shown gesturing to the open door. Problem is, that they should be looking over their left, not right, shoulders, and we should see the inside, not outside, of the door.
Continuity mistake: The crew is getting the bad news in Henry's office when Radar reports more choppers. From behind, Henry starts to react, and when the angle changes he reacts again.
Continuity mistake: While talking to Hildebrandt, Henry smacks his hands together while saying "Gee, whiz!" When the angle changes, his hands are on the desk.
Continuity mistake: Usually when you see Pierce, his hair is parted on the left side. When he is nibbling on the nurse's neck in the Swamp, his hair is parted on the right. Then the next time he's seen, it's parted on the left again.
Continuity mistake: When Margret puts The Gun belt around Frank's waist, it is twisted in the back. After the cut, it is righted. (00:02:30)
Continuity mistake: When Hawkeye hits on the nurse after Charlie's first flyover, his beach chair instantly folds itself up. (00:06:40)
Continuity mistake: When Hot Lips calls General Clayton to her tent, he closes the door twice. (00:11:45)
Continuity mistake: In Henry's office, Burns tosses the stapler toward Radar, and it flips midair. When it falls Ito the file Radar has, it flies level, that is, not twisting in the air.
Continuity mistake: As Hawkeye and Trapper leave the Swamp to watch 5 O'Clock Charlie, Hawkeye is carrying a folding chair, and Trapper has the thermos and glasses. At the show, they both have folding chairs.
Continuity mistake: As Radar turns from Henry's desk, the tote board he has under his arm disappears as he approaches the file cabinet.
Continuity mistake: As Frank and Henry sit at Henry's desk, and Henry is holding his doll, the cigar he has goes from his mouth to hand and back again.
Continuity mistake: As Hawkeye goes to leave the Swamp, the club he's holding goes from the top of the grip an inch or so above his fist, to the top in his palm.
Continuity mistake: Frank comes over to talk to Hawkeye and Trapper. His arms go from down by his sides to hands on hips between angles.
Continuity mistake: When Blake is talking to Burns, he sits and plays with his doll, which is facing toward the office door. After the angle change, the doll is facing Henry.
Continuity mistake: When Hawkeye passes by Frank on his way to Lt. Johnson's, he's holding a bottle of gin up near his waist. In the next shot, his arm is resting down by his side. (00:08:30)
Continuity mistake: When Hawkeye and Lt. Johnson are sharing Hawkeye's bottle of "wine" there's a closeup of Johnson's hand holding the glass, and in the closeup that hand has short nails, whereas in all other shots Johnson has long nails.
Continuity mistake: The psychiatrist is called Milton Freedman in this episode and Sydney Freedman in all other episodes in which he appears (always being played by the same actor - it is the same psychiatrist).
Continuity mistake: When Trapper and Hawkeye are sitting outside the Swamp, Hawkeye pours the martinis from the tall glass beaker, and in the shots facing Hawkeye there are quite a few large ice cubes in the beaker, but in the shots facing Trapper there aren't as many ice cubes floating in the beaker.
Continuity mistake: The amount of alcohol in the bottle Hawkeye holds in the Swamp goes from full to half empty and back between cuts.
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.