 The Hudsons sank a Japanese transport ship, the IJN "Awazisan Maru", and damaged two more transports, the "Ayatosan Maru" and "Sakura Maru", for the loss of two Hudsons, an hour before the attack on Pearl Harbor.By the end of the day, Japanese ground forces had advanced to the outskirts of the airfield, forcing the squadron's remaining airworthy aircraft to be evacuated to Kuantan, and from there back to Singapore.By Christmas Eve 1941, No.