page_title: Port Jackson
section_title: Attack on Sydney Harbour
hierarchical_section_title: Port Jackson / History / Attack on Sydney Harbour
caption_attribution_description: English: June 1, 1942. A Japanese Ko-hyoteki class midget submarine, believed to be the vessel known as Midget No. 14, is raised from the bed of Sydney Harbour. The night before the picture was taken, the submarine's two crew members were part of a raid on shipping in Sydney Harbour.
context_page_description: Port Jackson, consisting of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove and Parramatta Rivers, is the ria or natural harbour of Sydney, New South Wales, Australia. The harbour is an inlet of the Tasman Sea. It is the location of the Sydney Opera House and Sydney Harbour Bridge. The location of the first European settlement and colony on the Australian mainland, Port Jackson has continued to play a key role in the history and development of Sydney.
  Port Jackson, in the early days of the colony, was also used as a shorthand for Sydney and its environs. Thus, many botanists, see, e.g, Robert Brown's Prodromus floræ Novæ Hollandiæ et Insulæ Van-Diemen, described their specimens as having been collected at Port Jackson.
  Many recreational events are based on or around the harbour itself particularly the Sydney New Year's Eve celebrations and the starting point of the Sydney to Hobart Yacht Race.
  The waterways of Port Jackson are managed by the Roads & Maritime Services. Sydney Harbour National Park protects a number of islands and foreshore areas, swimming spots, bushwalking tracks and picnic areas.
context_section_description: In 1942, to protect Sydney Harbour from a submarine attack, the Sydney Harbour anti-submarine boom net was constructed. It spanned the harbour from Green (Laings) Point, Watsons Bay to the battery at Georges Head, on the other side of the harbour. On the night of 31 May 1942, three Japanese midget submarines entered the harbour, one of which became entangled in the western end of the boom net's central section. Unable to free their submarine, the crew detonated charges, killing themselves in the process. A second midget submarine came to grief in Taylor's Bay, the two crew committing suicide. The third submarine fired two torpedoes at USS Chicago (both missed) before leaving the harbour. In November 2006, this submarine was found off Sydney's Northern Beaches.
  The anti-submarine boom net was demolished soon after World War II, and all that remains are the foundations of the old boom net winch house, which can be viewed on Green (Laings) Point, Watsons Bay. Today, the Australian War Memorial has on display a composite of the two midget submarines salvaged from Sydney Harbour. The conning tower of one of the midget submarines is on display at the RAN Heritage Centre, Garden Island, Sydney.
caption: A Japanese Kō-hyōteki class midget submarine M-21 being raised from Taylor's Bay on 1 June 1942
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