"Eh, don't worry about it- it wasn't a good joke either."

Even if he was going to go for the 'stern letter from the ethics committee and a cessation of funding' punchline and not the other one.

Hawkeye shakes it with the hand not holding a plate.

"Hawkeye Pierce. They tell me I'm a Captain but here? I'm a civilian, treat me like one. And uh, also with you," that's what the Catholics say right, "I'm one of our doctors around here. 'f you're military in your world I expect I'll probably be seeing you eventually."