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During the decades that followed , Niblack served on many ships and held several interesting posts ashore including work with the Smithsonian Institution , duty in the Bureau of Navigation , and a tour in the Office of Naval Intelligence .
 Niblack, Smithsonian Institution, Office of Naval Intelligence
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Niblack, Smithsonian Institution, Office of Naval Intelligence