April Fools - S8-E25
Visible crew/equipment: At the Officers' Club, after Potter and Tucker's practical joke is out of the bag and they're congratulated, when it cuts to everyone sitting at the bar, at the start of this shot the boom mic is visible at the top, left side of the screen just before it's pulled up.
April Fools - S8-E25
Visible crew/equipment: After the scene with Klinger, who's dressed as Cleopatra, lying down on his cot in the office, when it cuts to the shot of the Swamp as it pans out, we can see the corner of the Swamp set at the top, left side of the screen.
April Fools - S8-E25
Visible crew/equipment: When Klinger wakes everyone up in the Swamp, just as Hawkeye asks Klinger if he saw anyone else lurking around the Swamp, the shadow of the boom mic can be seen moving at the top, left side of the screen.
April Fools - S8-E25
Visible crew/equipment: After the opening credits, in the closeup of Charles and Colonel Potter just as Charles complains about what's undoubtedly awaiting them in the mess tent, there's a shadow of a moving boom mic at the top, left corner of the curtain.
Answer: Even an Army field hospital would have SOME weapons for self-defense if the enemy attacked. What's meant is that it's not a combat outfit, and therefore wouldn't have enough weapons to actually attack anyone. (It's also mentioned a few times that the Officer of the Watch is supposed to carry a pistol at all times, but Hawkeye refuses to do it when he's in charge and Colonels Blake and Potter don't enforce the rule).
Captain Defenestrator