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Squadron Leader Lewis Brandon DSO DFC and Bar was an actor in the 1930s and served in the Royal Air Force as a navigator in Nightfighter s during World War Two .
 organization: Royal Air Force
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 Air Force