 The main purpose was the fight against another expected attacks of submarines and long-distance Nazi bombers, which corresponded to the American orientation in the primary threat of a German invasion with the help of German settlers in Latin America, in a tone opposite to the British vision.In 1942 the port of the island, one of the main sources of fuel for the Allied operations, was besieged by German submarines on several occasions under Neuland Operation.In August 1942, the Germans returned to Curaçao and attacked a tanker and received fire from a Dutch shore battery before slipping away.