6746
It was the second failure of an RL-10 powered rocket in less than a week , after the Centaur upper stage of a Titan IV rocket failed during the launch of USA-143 on 30 April , although this incident was later attributed to a programming error .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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