290063
Known units assigned were : When the fighters moved out at the end of November , the airfield became a servicing depot of Air Technical Service Command until the end of January 1944 when the Americans left the area .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None