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From 1968 to 1981 , a site just east of Port-aux-Français was a launching site for sounding rockets , some for French ( Dragon rockets ) , American ( Arcas ) or French-Soviet ( Eridans ) surveys , but at the end mainly for a Soviet program ( M-100 ) .
 Port-aux-Français
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Port-aux-Français