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Appointed the RAAF 's Assistant Chief of the Air Staff in 1941 , Hewitt was posted the following year to Allied Air Forces Headquarters , South West Pacific Area , as Director of Intelligence .
 Hewitt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hewitt