The crew was later rescued by . On 7 July, "U-759" torpedoed the Dutch cargo ship "Poelau Roebiah", in Convoy TAG-70. The ship sank just east of Jamaica, taking down two men. Sixty-eight others were rescued. After sinking "Poelau Roebiah" "U-759" was chased down and attacked by the U.S. Navy the following day. A PBM Mariner flying boat first dropped a load of explosives over the sub, and then for seven hours American surface vessels depth charged the area, but "U-759" escaped without damage or loss of life.