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On 21 May 2009 the Malaysian Department of Civil Aviation ( DCA ) issued an Air Operator Certificate ( AOC ) to Neptune Air and the airline commenced their operation using a Boeing B737-200F acquired from Tri-MG Intra Asia Airlines .
 Aviation, Neptune, Tri-MG Intra Asia Airlines
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Aviation, Neptune, Tri-MG Intra Asia Airlines