Fans of the HBO show "Game of Thrones" will know Viserion as Daenerys’ fearsome white and gold dragon. But a different Viserion will be taking to the skies at the 2017 NASA Student Launch competition on April 9 at Bragg Farms in Toney, Ala., this one a rocket designed and built by a team of engineering students from The University of Alabama in Huntsville (UAH).