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The Commanding General , II MEF , exercises operational control over the 2d Marine Division , the 2d Marine Aircraft Wing , the 2d Force Service Support Group , the 4th Marine Expeditionary Brigade , and the 6th Marine Expeditionary Brigade ( MEB ) .
 Expeditionary, Expeditionary
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Expeditionary, Expeditionary