Continuity mistake: When Harold Ramis is fighting Bill Murray to try to keep him from leaving the base, notice when Harold is on top of Bill choking him, there is a duffel bag under Bill's head, and in the cut-aways the bag is a few feet away.
John Winger: C'mon, it's Czechoslovakia. We zip in, we pick 'em up, we zip right out again. We're not going to Moscow. It's Czechoslovakia. It's like going into Wisconsin. Russell Ziskey: Well I got the shit kicked out of me in Wisconsin once. Forget it!
John Winger: We are Americans with a capital A, huh? You know what that means? Do you? That means that our forefathers were kicked out of every decent country in the world. We are the wretched refuge. We're the underdogs. We're the mutts.
Question: Given that Sergeant Hulka was only the platoon's drill sergeant, that means his authority should have been done once they graduated from basic training. So why did he turn up in Germany and continue to give them orders?