United Launch Alliance to launch final Delta Heavy IV rocket today. Here's how to watch live Space.comDelta IV Heavy launch today: Live countdown of historic launch from Cape Canaveral Florida TodayA Fiery Finale for a Rocket That Brings the Heat The New York TimesLive coverage: ULA, NRO to launch final Delta 4 Heavy rocket – Spaceflight Now Spaceflight NowDelta IV to make final flight with NROL-70 mission - NASASpaceFlight.com NASASpaceflight.com