Continuity mistake: When the Jeep runs over the French horn, the crowd is a good distance back. When Potter comes out and picks up the flattened horn, the crowd is only five or six feet away without having moved up.
Continuity mistake: As the discussion about Burns draws to a close, Potter starts to grab the files on his desk. As he says "Dismissed", he grabs them again.
Continuity mistake: From the back, Potter is facing directly at Hawkeye and BJ. From the front, he's in quarter profile, left side forward.
Continuity mistake: As BJ mentions fingernails on a chalkboard, Potter hunches his shoulders up. A second later, after the angle changes, he repeats the action.
Continuity mistake: As Hawkeye talks to the wounded man on the chopper, the speed of the rotor blades changes several times in the scene. Looking at Hawkeye, the blades are moving fast; in the reflection, much slower.
Continuity mistake: As Lt. LeClerq stands beside his commander, the Commander starts to look to his left, and drops his hand. When the angle changes, he drops his hand again.
Continuity mistake: As Hawkeye walks past the swamp after leaving Trapper, you can see the still is missing.
Continuity mistake: As the camera looks at the door of the Officer's club while the General and Hawkeye talk, other tents can be seen behind them. As Hawkeye brings in the enlisted personnel, the area is totally empty.
Continuity mistake: The amount of alcohol in the bottle Hawkeye holds in the Swamp goes from full to half empty and back between cuts.
Tell It to the Marines - S9-E8
Continuity mistake: The water Klinger accidentally spits on Potter goes from a number of separate spots to one big spot in a couple of seconds.
April Fools - S8-E25
Continuity mistake: In Potter's office, after Potter gives his orders, and checks Hawkeye, his hand is up. A second later it's down.
Continuity mistake: After uncovering the motorcycle, there's only the tan chicken around. A moment later, Ralph has a brown chicken in his arm that wasn't there before.
Continuity mistake: As "Ralph" gets the chicken off the tarp covered motorcycle, he goes to pick up the egg with his left hand. After the close up, he does it with his right.
Continuity mistake: In Rosie's Bar, the lettering reading "GI CLASSY" is in thick letters. From the outside, the lettering is thin.
Continuity mistake: As Klinger waves his hands to get attention for his part, it can be seen they're empty. A second later, he has a bulb in his right hand.
Dear Sigmund - S5-E7
Continuity mistake: As Frank talks with Sidney, hiss right wrist is beside his knee. A second later, his right fist is on his leg.
Continuity mistake: After Jack wins a drink from Hawkeye and BJ, Hawkeye grabs the orange to inspect it for tears to prove his magnet theory. After the angle change, he grabs it again.
'Twas the Day After Christmas - S10-E9
Continuity mistake: As Potters is talking to Winchester, he's pointing at Charles to emphasize his point. As the angle changes, his hand is suddenly lowered, and he points to the cook.
Give 'Em Hell, Hawkeye - S10-E4
Continuity mistake: After announcing that the visiting Colonel likes the project, Potter's left arm is at his side. A second later in the close up, it's behind his back.
Continuity mistake: As Potter pours the drinks for himself and Brandy, the glasses have enough for a sip. In the close up, they're a quarter to half full.
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