of Attu on 15 March, unloaded part of her cargo, and then got back underway to proceed to Kiska. She was on the surface off the entrance to Holtz Bay at 17:27 Yankee Time when the U.S. submarine , which misidentified her as an "-class" submarine, fired three torpedoes at her at . S-32′s crew heard a muffled explosion and her sound operator reported that I-168′s propeller noises stopped, but in fact all three torpedoes missed, and S-32′s commanding officer continued to observe I-168 until 17:36, when he lost sight of her. Many accounts incorrectly identified S-32′s target as the submarine , which was operating thousands of miles to the south in the Rabaul area at the time. I-168 arrived at Kiska on 17 March 1943 and discharged the rest of her cargo of ammunition cargo, as well as 6 tons of provisions. She then put back to sea to conduct a war patrol south of Amchitka. The patrol was uneventful, and on 1 April 1943 I-168 returned to Kiska. She embarked sick personnel of the Kiska garrison and the ground personnel of the 452nd Naval Air Group and then headed for Paramushiro, where she arrived on 4 April 1943. I-168 got back underway from Paramushiro on 10 April 1943 to carry ammunition and mail to Attu and Kiska. She stopped at Attu on 12 April to unload cargo, then put back to sea. She again called at Attu from 14 to 16 April 1943 and embarked several staff officers before heading for Kiska, which she reached on 19 April 1943. After unloading her cargo, she headed for Japan, and arrived at Yokosuka on 9 May 1943. She resumed her assignment to Submarine Squadron 3 that day. May–July 1943 I-168 underwent repairs at Yokosuka. After their completion, she departed Kure on 12 July 1943, called at Truk from 22 to 25 July, and then put back to sea and set course for Rabaul on New Britain in the Bismarck Archipelago. At dusk on 27 July 1943, she transmitted a routine report from the Isabel Strait. The Japanese never heard from her again. Loss As dusk fell on 27 July 1943, I-168 sighted the U.S. submarine on the surface in the Steffen Strait near New Hanover Island and fired a torpedo at Scamp. Scamp sighted the incoming torpedo, went ahead full, and crash-dived, submerging to . After the Japanese torpedo passed