Aggressive-class minesweeper
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USS Constant (MSO-427)
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| Class overview | |
|---|---|
| Operators: | |
| In commission: | 1953–1994 |
| Completed: | 53 |
| General characteristics | |
| Displacement: | 853 tons (full load) |
| Length: | 172 ft (52 m) |
| Beam: | 35 ft (11 m) |
| Draft: | 10 ft (3.0 m) |
| Propulsion: |
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| Speed: | 14 knots (26 km/h) |
| Complement: | 7 officers, 70 enlisted |
| Sensors and processing systems: |
AN/SQQ-14 mine hunting sonar |
| Armament: |
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The Aggressive-class minesweepers are a class of US-built minesweepers. They are designated as MSO (Mine Sweeper Ocean), distinguishing them from the smaller coastal MSCs and inshore MSIs. Besides the US Navy, this class of vessels has also been used by the Belgian Navy and the Norwegian Navy, among others.
Minesweeping, or the disposal of naval mines, by these vessels is performed in different ways:
Of the 53 constructed for the United States Navy, 10 were built at Higgins Corp., New Orleans, Louisiana, 9 at J.M. Martinac Shipbuilding Corp., Tacoma, Washington, 8 at Wilmington Boat Works Inc., Wilmington, California, 6 at Luders Marine Construction Co. of Stamford, Connecticut, 4 at Broward Marine Inc, Fort Lauderdale, Florida, 4 at Martinolich Shipbuilding Co., San Diego, California, 3 at Burger Boat Company, Manitowoc, Wisconsin, 3 at Colberg Boat Works, , 2 at Fulton Shipyard, Antioch, California, 2 at Norfolk Naval Shipyard and 2 at Seattle Shipbuilding and Drydocking Co., Seattle, Washington.
33 of the class were decommissioned before the mid-1970s. Four ex-USN ships were sold to the Republic of China Navy 1994 and re-classed as Yung Yang-class minesweepers. They were still in active service in 2012. USS Implicit was decommissioned 30 September 1994 in Tacoma, Washington and was the last Aggressive class minesweeper in US Navy active service.
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Wikipedia