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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.
A display board, also known as poster board, is a board-shaped material that is rigid and strong enough to stand on its own, and generally used paper or other materials affixed to it. Along with quad charts , display boards were an early form of fast communication developed by the National Weather Service of the United States Department of ...
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 US Navy used anti-submarine nets in the Pacific War to protect major US Naval Advance Bases .
Also net layer, net tender, gate ship, or boom defence vessel. A type of naval auxiliary ship equipped for and primarily tasked with laying torpedo net s or anti-submarine net s to protect individual ships at anchor, harbors, or other anchorages from torpedo attack and intrusions by submarines .
In early 1946 six of the ships, Cliffrose (AN-42), Cinnamon (AN-50), Silverbell (AN-51), Torchwood (AN-55), Catclaw (AN-60), and Shellbark (AN-67), were transferred to the Republic of China's Maritime Customs Service at Shanghai, while the remainder were disposed of in 1947 in a Maritime Commission sales program for small vessels.
A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science education.
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The Aloe-class net laying ships were a class of thirty-two steel-hulled net laying ships built prior to the US entry into World War II. The lead ship, USS Aloe , was laid down in October 1940 and launched the following January; the final member, USS Yew , was launched in October 1941.