also antiaircraft sloops, completed similar periods in the U.K. waters escorting convoys in the Atlantic and dealing with attacks from hostile U-boats, aircraft and glider bombs. These six ships and the minesweepers all eventually proceeded to India carrying out various duties in the North Atlantic, Mediterranean and Cape stations en route. The fleet minesweepers were , , , , , , , , . HMIS Bengal was a part of the Eastern Fleet during World War II, and escorted numerous convoys between 1942 and 1945. The sloops and played a role in Operation Husky, the Allied invasion of Sicily by providing air defence and anti-submarine screening to the invasion fleet. Furthermore, the Royal Indian Navy participated in convoy escort duties in the Indian Ocean and Mediterranean and was heavily involved in combat operations as part of the Burma Campaign, carrying out raids, shore bombardment, naval invasion support and other activities culminating in Operation Dracula and the mopping up operations during the final stages of the war. Royal Indian Naval combat losses The sloop HMIS Pathan sunk in June 1940 by the Italian Navy Submarine Galvani during the East African Campaign. In the days immediately following the Attack on Pearl Harbor, was patrolling the Laccadive Islands in search of Japanese ships and submarines. At midnight on 9 December 1941, HMS Glasgow sank the RIN patrol vessel HMIS Prabhavati with two lighters in tow en route to Karachi, with 6-inch shells at 6,000 yards (5,500 m). Prabhavati was alongside the lighters and was mistaken for a surfaced Japanese submarine. was sunk by Japanese aircraft during Burma Campaign on 6 April 1942. Royal Indian Naval successes was ordered in 1939, and built by William Denny and Brothers. She was commissioned in 1941, and with World War II underway, was immediately deployed as a convoy escort. Jumna served as an anti-aircraft escort during the Java Sea campaign in early 1942, and was involved in intensive anti-aircraft action against attacking Japanese twin-engined level bombers and dive bombers, claiming five aircraft downed from 24 to 28 February 1942. On 11 November 1942 Bengal was escorting the Dutch tanker Ondina to the southwest of Cocos Islands in the Indian Ocean. Two Japanese commerce raiders armed with six-inch guns attacked Ondina. Bengal fired her single four-inch gun and Ondina fired her 102 mm and both scored hits on Hōkoku Maru, which shortly blew up and sank. On 12