At 02:56 on 29 November, "Shinano" turned to the southwest and headed straight for "Archerfish". Eight minutes later, "Archerfish" turned east and submerged in preparation to attack. Enright ordered his torpedoes set for a depth of in case they ran deeper than set; he also intended to increase the chances of capsizing the ship by punching holes higher up in the hull. A few minutes later, "Shinano" turned south, exposing her entire side to "Archerfish"—a nearly ideal firing situation for a submarine. The escorting destroyer on that side passed right over "Archerfish" without detecting her. At 03:15 "Archerfish" fired six torpedoes before diving to to escape a depth charge attack from the escorts.