CAPE CANAVERAL, Fla. — United Launch Alliance (ULA) is gearing up to launch its mightiest candle in the fleet of rockets: the Delta IV Heavy. The behemoth is set to blast off on Thursday (Aug. 27) at 2:12 a.m. EDT (0612 GMT), carrying with it a satellite for the National Reconnaissance Office, and you can watch all the fiery action live.