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On 2 August , during a special hunt for several submarine s known to be transmitting weather information from stations in the central and north Atlantic ( of which effort U-804 was a part ) , two American destroyer escorts , USS Fiske and USS Douglas L. Howard , were detached from the task group to investigate the whereabouts of U-804 , which both had made contact with .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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