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Avenger Class Mine Countermeasures Ship
''Avenger''-class mine countermeasures ships are a class of 14 ships constructed for the United States Navy from 1987 to 1994, designed to clear naval mine, mines from vital waterways. The ships have the hull classification symbol, hull designator MCM. The ''Avenger''-class ships are being replaced by the Freedom-class littoral combat ship, ''Freedom'' and s, as well as other MCM platforms, which use various unmanned vehicle, unmanned air, surface, and undersea vehicles to detect and destroy naval mines at a standoff distance. History Background In the early 1980s, the U.S. Navy began development of a new Naval mine#Countermeasures, mine countermeasures (MCM) force, which included two new classes of ships and Minesweeper (ship)#Minesweeping aircraft, minesweeping helicopters. The vital importance of a state-of-the-art mine countermeasures force was strongly underscored in the Persian Gulf during the eight years of the Iran–Iraq War, and in Operations Gulf War#Operation Deser ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hawaii
Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only state not on the North American mainland, the only state that is an archipelago, and the only state in the tropics. Hawaii consists of 137 volcanic islands that comprise almost the entire Hawaiian Islands, Hawaiian archipelago (the exception, which is outside the state, is Midway Atoll). Spanning , the state is Physical geography, physiographically and Ethnology, ethnologically part of the Polynesian subregion of Oceania. Hawaii's ocean coastline is consequently the List of U.S. states and territories by coastline, fourth-longest in the U.S., at about . The eight main islands, from northwest to southeast, are Niihau, Niihau, Kauai, Kauai, Oahu, Oahu, Molokai, Molokai, Lanai, Lānai, Kahoʻolawe, Kahoolawe, Maui, and Hawaii (island), Hawaii, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
