In late 1942, a German U-boat sank the British troopship Laconia carrying 1,800 Italian POWs guarded by 103 Free Poles, 268 British military personnel, and a number of civilians off the coast of West Africa.
Then realising who the passengers were, the U-boat started rescue operations while flying the Red Cross flag.
A U.S. Army Air Corps bomber flying out of a secret South Atlantic airbase on Ascension Island attacked the U-boat. The U-boat then abandoned the rescue effort and left the survivors to drift to Africa.
Over half the survivors died. This incident led to German Admiral D