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On June 28 , 1941 , the Office of Scientific Research and Development was formed in the U.S. to mobilize scientific resources and apply the results of research to national defense .
 Office of Scientific Research and Development, U.S.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Office of Scientific Research and Development, U.S.