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The 139th Airlift Squadron ( 139 AS ) is a unit of the New York Air National Guard 109th Airlift Wing Stationed at Stratton Air National Guard Base , Schenectady , New York .
 139th Airlift Squadron, 109th Airlift Wing
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 139th Airlift Squadron, 109th Airlift Wing