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This led the German Department of Defense to abort the planned attack on the freighter and the GSG-9 unit returned to their base of operations at the airport of Mombassa , Kenya .
 GSG-9, Mombassa, Kenya
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 GSG-9, Mombassa, Kenya