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Deployed to Belgium in December 1944 to supplement IX Fighter Command tactical air forces during Battle of the Bulge , Returned to England , engaging in long-range escort missions until April 1945 .
 Belgium, Fighter Command
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Belgium, Fighter Command