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In August 1944 , he enlisted in the Royal Australian Air Force as a Leading Aircraftman , and was stationed with the 12 Aircraft Repair Depot until June 1946 , when he was discharged .
 Royal Australian Air Force
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Australian Air Force