Portal:World War II/Featured article/6
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In late May and early June 1942, during World War II, submarines belonging to the Imperial Japanese Navy made a series of attacks on the cities of Sydney and Newcastle in New South Wales, Australia. On the night of 31 May–1 June, three Ko-hyoteki class midget submarines, each with a two-member crew, entered Sydney Harbour to sink Allied warships. After being detected and attacked, the crews of two of the midget submarines scuttled their boats and committed suicide without engaging Allied vessels. The third attempted to torpedo the heavy cruiser USS Chicago but instead sank the converted ferry HMAS Kuttabul, killing 21 sailors. This midget submarine then disappeared, its fate remaining a mystery until in 2006 amateur scuba divers discovered its wreck off Sydney's northern beaches.Immediately following the raid the five Japanese fleet submarines that carried the midgets to Australia embarked on a campaign to disrupt merchant shipping in eastern Australian waters. Over the next month the submarines attacked at least seven merchant vessels, sinking three. As part of this campaign two of the submarines bombarded the ports of Sydney and Newcastle, during the early morning of 8 June.
