H.M.S. Submarine Tradewind 

H.M.S. Tradewind ( ex P329 ) was a submarine of the Triton class, built at Chatham Dockyard and completed 18-10-1943. 
She had a displacement of 1090 tons. Length: 273' oa Breadth: 27' and 7". 
Armament: one 4" gun, one 20 mm Oerlikon, three .303" Vickers machine guns. 
In addition she had eight bow and three stern torpedoes. 

During January and February 1944 she was attached to the 3rd Submarine Flotilla and patrolled the Norwegian area. 
In March she joined the 4th Submarine Flotilla of the Eastern Fleet. 
Between the 8th of June and the 3rd of July 1944, she was on her first Far East patrol in the Sunda Strait, on a special reconnoitre operation to obtain intelligence. 

Between July and August She was in the Strait of Malacca. 

Between the 8th of September and the 4th of October she was again engaged on special operations off the west coast of Sumatra. On the 16th of September under command of Commander Maydon, she sank two barges loaded with cement and on the 18th of September 1944 the Japanese transport Junyo Maru. 

Her fourth patrol took her to the West coast of Birma and Siam between the 20th of October to the 15th of November. 

Her fifth patrol brought her back to the West coast of Sumatra and she left there on the 15th of December to join the 8th Submarine Flotilla at Fremantle in Australia. 

The 8th Submarine Flotilla became part of the British Pacific Fleet in April 1945 and she undertook several patrols in the South Pacific starting on the 12th of January 1945. 

She left Fremantle for refitting in the UK on the 6th of June 1945 and arrived there on the 16th of July. 

After completion she joined the 7th Submarine Flotilla at Portland. She was refitted again in 1950. She went into reserve in 1953 and was scrapped in July 1955. 

NOTE: As laid down by the Geneva Convention, ships transporting POWs had to be marked with the Red Cross emblem. But the Japanese did not recognize these rules of war, so the ship was not marked and thus became a legitimate target.