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On the surrender of Japan , the air field was occupied by the United States Army Air Force and was designated Shiroi Air Base , after the nearby town of Shiroi .
 United States Army Air Force, Shiroi, Shiroi
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 Army Air Force, Shiroi, Shiroi