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( born September 28 , 1927 ) is a retired admiral in the United States Navy whose 36-year career was capped by serving as Commander , U.S. Pacific Fleet from 16 September 1985 to 30 September 1987 .
 United States Navy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States Navy