Between Sumbawa and Komodo Islands, USS "Besugo" fired nine torpedoes at the "Isuzu" group. "Isuzu" was undamaged, and one Japanese minesweeper was sunk. The following day, 7 April 1945, northwest of Bima, "Isuzu" was struck by one of five torpedoes fired by USS "Gabilan". The torpedo hit portside, below the bridge, causing flooding forward. "Isuzu"s speed fell below , she took on a list and settled by the bow. While her crew was performing emergency repairs, USS "Charr" fired four torpedoes, hitting "Isuzu" portside twice near the aft engine room. "Charr" fired two more torpedoes, one of which broke off "Isuzu"s bow. "Isuzu" sank at , witnessed by "Spark". Her captain and 450 crewmen were rescued; 190 crewmen went down with the ship. On the same day, just a few hours apart, the battleship and her escorts were sunk by US aircraft in an attempted suicide attack on Okinawa.