A german sailor of the Kriegsmarine (war navy) blows the signal whistle to herald the arrival of the Captain on the ship.

German sailor of the Kriegsmarine

A german crew man of a submarine on his battle position. His boat seems to be on mission quite some time because he's wearing a full beard, a mission was traditionally started freshly shaved and then the beard was grown till return to the homeport. Better &quot;if&quot; returned: out of 40000 german submariners 30000 did not survive the war.