Submarine Attack east of Mindanao
On Sunday morning, 11 February 1945 LST 577 was torpedoed by Japanese submarine RO 50, east of Mindanao, off the Philippine Islands while in a reinforcement convoy proceeding from Hollandia to Leyte. ... The explosion occurred just aft of the auxiliary engine room and broke the ship in two. Part of the aft frame sank immediately. The forward section remained afloat. ... Over 166 Sailors and soldiers were lost.