NASA's Super Pressure Balloon successfully launched - Economic Times
URL: http://economictimes.indiatimes.com/news/science/nasas-super-pressure-balloon-successfully-launched/articleshow/58358189.cms
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Submitted: Tue Apr 25 2017
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CT: UFOSeek News 2015: NASA's Super Pressure Balloon successfully launched - Economic Times
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At a relatively low cost, NASA's heavy-lift balloons have been critical launch vehicles for testing and validating new technologies and science instruments to assure mission success for costlier, higher-risk follow-on spaceflight missions, said ...