Overheard at Checkout

Bagger: I like your hat.
Old Man: Thanks.  I earned it.
Bagger:  That eagle is really cool.  Were you in the Army?
Old Man: Army!
Bagger: Navy?
Old Man: Navy!!
Bagger: Marines?
Old Man: I was in the Marines.
Bagger:  I knew I was going to get it if I kept going.  The only thing left was the Air Force.
Old Man: Air Force!
Bagger: I got a cousin who's in the Air Force.
Old Man: [silence]
Bagger: You ever kill anybody?
Old Man: [silence] That's kind of a personal question.
Bagger: Oh, I'm sorry.
Old Man: [silence] Well, I'll tell you.  I don't know for sure.  I think so.  A lot of times you never know for sure.  But I think so, yeah.
Bagger: Cool.