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No. 548 Squadron RAF was a fighter squadron of the Royal Air Force ( RAF ) from 1943 to 1945 .
 No. 548 Squadron RAF, Royal Air Force, RAF
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 No. 548 Squadron RAF, Royal Air Force, RAF