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USS Ash, a net laying ship that worked at Pearl Harbor in the 1940s. A net laying ship, also known as a net layer, net tender, gate ship or boom defence vessel was a type of naval auxiliary ship. A net layer's primary function was to lay and maintain steel anti-submarine nets or anti torpedo nets.
An anti-submarine net used during World War II in Nova Scotia, Canada Anti-submarine defense net US Navy 1917. 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. Net laying ships would be used to place and remove the nets.
The Sydney Harbour anti-submarine boom net was an anti-torpedo and submarine defence net that was in Sydney Harbour during World War II. It spanned the entire width of the harbour from Laing Point (formerly known as Green Point), Watsons Bay to Georges Head Battery, on the northern side of Sydney Harbour. [1]
The net successfully caught all the torpedoes fired at them and reduced the ship's speed by only 1 knot (1.9 km/h), but in March 1940 the nets were removed. [11] In July the unprotected Arandora Star was sunk by a torpedo, killing 805 people.
The Net class were a class of boom defence vessels of the Royal Navy and Royal Australian Navy during World War II.
The arms industry, also known as the defense (or defence) industry, military industry, or the arms trade, is a global industry which manufactures and sells weapons and other military technology to a variety of customers, including the armed forces of states and civilian individuals and organizations.
The defence industry is perhaps one of the biggest industries in the world, and is expected to be worth more than $1,600 billion by […] Click to skip ahead and jump to the 5 largest defence ...
The four Air Forces and Air Defence Operational Commands (1st through 4th) were reverted to Air Forces and Air Defence Armies (6th, 14th, 11th and 4th respectively), one per military district each. With the establishment of the Northern Fleet Joint Strategic Command as a de facto fifth military district a new 45th Air Forces and Air Defence ...