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Then , from 15 January 1937 he commanded his favourite ship , the 7,300 - ton light cruiser , which , along with her sister , , was the fastest ship in the Royal Navy at 35 knots .
 organization: Royal Navy
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:
 organization: Royal Navy