HMS Plym (K271), was a River-class anti-submarine 
frigate built for the 
Royal Navy at 
Smiths Dock[?], 
Middlesborough[?], 
England.
She was 
launched on 
February 4, 
1943, and 
commissioned on 
May 16, 
1943.  The ship was named after the 
River Plym in 
Devon, England.
She was deliberately destroyed when the first British nuclear weapon, a 25 kiloton bomb, was detonated inside her hull on October 3, 1952 in the Monte Bello Islands, Australia.  The test was called Operation Hurricane[?].
 General Characteristics  
-  Displacement: 1370 tons
-  Length: 301.5 feet
-  Beam: 36.5 feet
-  Draft: 14 feet
-  Complement: 140
-  Armament: Two 4 inch guns, ten 20mm anti-aircraft guns, Hedgehog depth charge mortar, Depth charge launchers
-  Propulsion: Twin screws, oil fired three drum boilers driving reciprocating steams engine, 5500 HP
-  Speed: 20 knots maximum
 
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