Once while walking in some ruined city, you could hear two voices speaking German. By listening closely, it sounded like they were discussing plans.

You could also see two 30mm autocannons and an ATGM launcher at the wall, indicating that two German IFVs are in there.

PUMA: "Wie wäre es, wenn wir die Kommunisten von der Seite flankieren?“

PUMA VJTF: "Nein, du dummkopf! Lasst uns auf diese Kommunisten zustürmen!“