By Irene Klotz CAPE CANAVERAL, Florida (Reuters) - An unmanned rocket blasted off from Cape Canaveral Air Force Station on Thursday to put the newest member of NASA's space communications network into orbit. The 19-story tall Atlas 5 rocket, built and launched by United Launch Alliance, a partnership of Lockheed Martin Corp and Boeing Co, lifted off at 9:33 p.m. EST (0233 GMT Friday). With the 3.8-ton (3,447-kg) Boeing-built Tracking and Data Relay Satellite perched on its nose, the rocket blazed through clear, star-filled skies as it headed southeast over the Atlantic Ocean toward orbit. The satellite, called TDRS, is the 12th built for a NASA constellation that circles more than 22,300 miles above Earth.{br}{br}View the Entire Article{br}