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Continue to ChatRocket Blasts Off During 2017 Student Launch Challenge http://www.johnjasonfallows.com/2017/05/12/rocket-blasts-off-during-2017-student-launch-challenge-2/
Rocket Blasts Off During 2017 Student Launch Challenge http://www.johnjasonfallows.com/2017/05/12/rocket-blasts-off-during-2017-student-launch-challenge-2/