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| History | |
|---|---|
 United Kingdom | |
| Name | HMS Porpoise |
| Builder | John I. Thornycroft & Company, Woolston |
| Laid down | 14 March 1912 |
| Launched | 21 July 1913 |
| Completed | January 1914 |
| Honours and awards | Jutland[1] |
| Fate | Sold to Brazil March 1920 |
 Brazil | |
| Name | Alexandrino de Alencar |
| Acquired | March 1920 |
| Commissioned | 9 December 1922 |
| Renamed | Maranhão, 1927 |
| Fate | Discarded 13 September 1946 |
| General characteristics | |
| Class and type | Acasta-class destroyer |
| Displacement | 934 long tons (949 t) |
| Length | 265 ft 3 in (80.8 m) oa |
| Beam | 26 ft 6 in (8.1 m) |
| Draught | 9 ft 3 in (2.8 m) |
| Installed power | 22,500 shp (16,778 kW) |
| Propulsion |
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| Speed | 31 knots (57 km/h; 36 mph) |
| Complement | 73 |
| Armament |
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HMS Porpoise was an Acasta-class destroyer of the Royal Navy, which was built by Thornycroft between 1912 and 1914. Porpoise served through the First World War, taking part at the Battle of Jutland in 1916, where she was damaged. In 1920, she was sold to the Brazilian Navy serving under the name Alexandrino de Alencar and was renamed Maranhão in 1927. Maranhão remained in service when Brazil entered the Second World War, being used for patrol and convoy duties. She was disposed of in 1945.
- ^ "Battle Honours and Single-Ship Actions of the Royal Navy 1914–18". Naval-History.net. Retrieved 15 August 2015.