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The VA253 launch on 15 August 2020 introduced two small changes that increased lift capacity by about ; a lighter avionics and guidance equipment bay and modified pressure vents on the payload fairing which will be required for the future James Webb Space Telescope launch .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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