While most of the US troops have weapons concurrent with WW2, mittens has a non existent one. The barrel looks like it comes from an M17 air cooled Browning machine gun, the receiver looks like it supposed to be from a Thompson submachine gun. By the sound effect, it's supposed to be a 30. Caliber machine gun. But by appearance, it's made up.
The dog tags they wore were not from WWII. From WWII until 1965, dog tags had a notch at the bottom. The one they were are smooth.
Near the end when they are shooting at the Nazi's, one soldier says he's using his last 'clip'. That weapon uses a'magazine'.
Dolan is a war correspondent. Correspondents are non-combatants and aren't allowed to bear weapons.
The radioman has his back to the wall along with the antenna. The antenna would block any chance of making radio contact.
During the escape from the German encampment, the sound of the German schmeissers is correct, but the US guys, firing the same weapons, sound like Thompson's.
When the German Soldier shoots the Panzerfaust he fires it upside down. The trigger is on top along with the sight. You raise the front sight and press the top trigger bar.