register ton British steamer — which was on a voyage from New York City to Bombay in British India with a stop at Cape Town, South Africa, carrying military personnel and government stores — at 09:53 on 8 June 1942; King Lud sank at , with no survivors. Aikoku Maru and Hōkoku Maru refueled and replenished I-10 on 17 June 1942. Returning to action, she torpedoed the 4,957-gross register ton British motor vessel — which was on a voyage from the River Tyne in England to Aden with a cargo of military stores — in the Mozambique Channel south of Beira on 28 June 1942; Queen Victoria sank at , with no survivors. Still in the Mozambique Channel south of Beira on 30 June, she torpedoed the American 6,737-gross register ton armed steamer , which was on a voyage from Bombay to Cape Town with a cargo of manganese ore, jute, and leather. Two torpedoes hit Express on her starboard side and she sank by the stern at . Eleven members of Express′s crew and two personnel of her United States Navy Armed Guard drowned after abandoning ship when their boat was swamped in heavy seas. I-10′s success against Allied shipping in the Indian Ocean continued in July. At 16:15 on 6 July 1942, she torpedoed and sank the Greek 4,504-gross register ton merchant ship Nymphe at . At 07:48 on 8 July, she torpedoed the British 5,498-gross register ton armed steamer — which was making a voyage from Philadelphia, Pennsylvania, to Alexandria, Egypt, via Lourenço Marques, Portuguese East Africa, carrying 8,000 tons of general cargo — in the Mozambique Channel. One torpedo hit Hartismere in the vicinity of her No. 1 hold, triggering a violent explosion which started a fire and prompted her crew to abandon ship. I-10 surfaced and sank Hartismere with gunfire at , and Hartismere′s crew and gunners made it to shore in her lifeboats at Caldera Point on the coast of Portuguese East Africa. I-10′s final victim of the Indian Ocean operation was the 4,427-ton Dutch armed merchant ship Alchiba, which was on a voyage from Durban, South Africa, to London via Aden with a cargo of 4,000 tons of ammunition. I-10 torpedoed Alchiba at 17:55 on 8 July, hitting her in her engine room on the port side. The torpedo hit killed five firemen, destroyed two lifeboats, and knocked out all of Alchiba′s lights.