Japanese submarine I-30 sailed 22 August 1942 carrying German torpedoes, Torpedo Data Computer, search radar, Metox, hydrophone array, 50 Enigma machines and 240 Bolde sonar countermeasure charges. She struck a mine and sank off Singapore on 13 October 1942.[1] Tazzoli sailed in a cargo configuration on 21 May 1943 and was sunk by aircraft in the Bay of Biscay.[12] Barbarigo sailed in a cargo configuration on 17 June 1943 and was sunk by aircraft in the Bay of Biscay.[12] Comandante Cappellini sailed in a cargo configuration on 11 May 1943 with 160 tons of mercury, aluminum, welding steel, 20mm guns, ammunition, bomb prototypes, bombsights and tank blueprints; she reached Singapore on 13 July 1943.[12] U-511 sailed on 10 May 1943 and sank the 7,200-ton American Liberty Ship Samuel Heintzelman before reaching Penang on 17 July 1943.[3] Giuliani sailed in a cargo configuration on 16 May 1943 and reached Singapore on 1 August 1943.[12] U-178 sailed on 28 March 1943 and sank the 6,600-ton Dutch freighter Salabangka, the 2,700-ton Norwegian freighter Breiviken, the 6,700-ton British freighter City of Canton, the 7,200-ton American Liberty ship Robert Bacon and the 4,800-ton Greek freighters Michael Livanos and Mary Livanos before reaching Penang on 27 August 1943.[13] Torelli sailed in a cargo configuration on 18 June 1943 and reached Penang on 27 August 1943.[12]