Since 2002, Vektor has been peddling its brand of highly technical thrash metal — with more than a splash of progressive metal influences — all across the U.S. and Europe, earning itself legions of fans around the globe. The band's Earache Records debut, Terminal Redux, was released to wide acclaim in May, a 70-minute concept album with sci-fi themes and the same blisteringly fast guitar work for which the band is known.…