アッドゥ環礁
On February 4 "I-27" left Penang for Addu Atoll and Aden Bay. While underway, she intercepted and sank the troopship SS "Khedive Ismail", but was in turn caught and sunk between the Maldive Islands and Addu Atoll by the convoy's escorts HMS "Paladin" and "Petard".