Germany continues to use its U-boats to hit Allied merchant shipping. Wary of antagonising US opinion, many of the submarines are now based in the Mediterranean. One such vessel is the U-35, commanded by Lothar Arnauld de la Perière. Today it returns to its base in Montenegro, after just under a month on patrol.
The U-35’s patrol has been astonishingly successful. The U-boat has sunk 54 Allied merchant ships, to a total tonnage of over 90,000. De la Perière has sunk two-thirds of the Allied ships lost this month over the whole world. And he has done so according to the restrictive cruiser rules that U-boats are currently operating under: each ship is ordered to halt and the crew given time to evacuate before the Germans sink their vessel.
U-35 claims a victim (in 1917) (Wikipedia)
Lothar von Arnauld de la Perière (Wikipedia)