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He was commissioned a Second Lieutenant in the United States Marine Corps , and upon completion of The Basic School at Quantico , VA , proceeded to Pensacola , FL where he completed Navy flight training and was designated a United States Naval Aviator .
 United States Marine Corps, Naval
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United States Marine Corps, Naval