Preventative Medicine - S7-E22
Other mistake: During the duration of the episode a wounded person is addressed as Corporal North but during the credits he is called Private North.
Preventative Medicine - S7-E22
Continuity mistake: In Potter's quarters Klinger's arm holding the chicken goes from in front of his chest to by his waist between shots.
Preventative Medicine - S7-E22
Continuity mistake: As Lacey tells Margaret of his plans, he has his fork in his right hand. After she asks "What makes that hill so important?" he suddenly has the knife in his right hand, and the fork in the left.
Preventative Medicine - S7-E22
Continuity mistake: In the Mess Tent, as Lacey explains the reason he wants the hill to Margaret, he is holding a knife in his right hand. A second later, it's gone.
Preventative Medicine - S7-E22
Continuity mistake: When Klinger enters Potters' tent, the bird alternates from about waist height to chest height between shots.
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