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The Falcon 1 is a small partially reusable orbit al carrier rocket developed by SpaceX , which first flew in 2006 , and has made five launches as of 2009 .
 SpaceX
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 SpaceX