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By 13 December , French troops and United States Army Engineers had improved the runway sufficiently for 17th Bombardment Group B-26 Marauder medium bombers to begin using the facility , now known as " Telergma Airfield " .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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