Feldgrau.net

The anchor emblem indicates it's a truck of the Kriegsmarine. This is underscored by the "WM" (Wehrmacht-Marine) letters on the license plate.

These guys are definitely Italians.

Looks like the Spanienkreuz in Silber.

Hello Sandra, Based on your information I would venture to say that your grand dad was a member of the Bavarian 10. Infanterie-Division, specifically its artillery regiment, Artillerie-Regiment 10, which was garrisoned at Amberg where as a recruit he most likely received his first training as a Kano...