The Sydney boom defences, looking from George's Head towards Green Point.
The Sydney Harbour anti-submarine boom net was an anti-torpedo and submarine defence net that was in Sydney Harbour during World War II. The net went all the way across the harbour from Green Point, Watson's Bay to Georges Head on the other side. It spanned the entire width of the harbour from Green Point, Watsons Bay to Georges Head, on the northern side of Sydney Harbour. The Sydney Harbour anti-submarine boom net was an anti-torpedo and submarine defence net that was in Sydney Harbour during World War II. An anti-submarine net used during WWII in Nova Scotia, Canada An anti-submarine net or anti-submarine boom is a boom placed across the mouth of a harbour or … World War II Anti-Torpedo Boom Net. On the night of 31 March 1942 three Japanese submarines managed to breach these security systems, and sneak into the Harbour. During World War II, entry into Sydney Harbour was restricted by a boom net. As well as setting up artillery batteries and preparing patrol boats, entrance to Sydney Harbour was restricted by the use of an anti-submarine boom net. Examples of anti-submarine nets Lake Macquarie anti-submarine boom, Indicator net, Naval operations in the Dardanelles Campaign, Sydney Harbour anti-submarine boom net It spanned the entire width of the harbour from Green Point, Watsons Bay to Georges Head, on the northern side of Sydney Harbour. The anti-submarine net was designed in January 1942, and its construction began that month. The boom was part of the Sydney Harbour defences which also included artillery batteries and patrol boats. It was located at the narrowest point of the inner harbour entrance, between George's …

Anti sub boom net sydney harbour.jpg 2,229 × 1,546; 3.92 MB The boom was part of the Sydney Harbour defences which also included artillery batteries and patrol boats.. History It spanned the entire width of the harbour from Green Point, Watsons Bay to Georges Head, on the northern side of Sydney Harbour. The Anti-submarine boom net was used to stop enemy submarines entering Sydney Harbour during World War II.The net went all the way across the harbour from Green Point, Watson's Bay to Georges Head on the other side. The anti-submarine boom net was an anti-torpedo and submarine defence net that was in Sydney Harbour during World War II. Media in category "Anti-submarine nets" The following 22 files are in this category, out of 22 total. An anti-submarine net or anti-submarine boom is a boom placed across the mouth of a harbour or a strait for protection against submarines. For over three years, all ships including ferries and fishing boats had to pass through one of three gates in the anti-torpedo and anti- midget submarine boom which stretched from Green (Laings) Point to Georges Head. The Anti-submarine boom net was used to stop enemy submarines entering Sydney Harbour during World War II. [1] The boom formed part of the Sydney Harbour defences which also included artillery batteries and patrol boats. Their target was a US heavy cruiser, the USS Chicago. Japanese submarine attack 1942 War or military engagement On the night of 31 May 1942, three midget submarines, each with a two-member crew, entered Sydney Harbour, avoided the partially constructed Sydney Harbour anti-submarine boom net, and attempted unsuccessfully to sink Allied warships anchored near Garden Island.