Live coverage: Atlas 5 countdown and launch journal

A United Launch Alliance Atlas 5 rocket will boost NASA’s Tracking and Data Relay Satellite-M, or TDRS-M, into space from Cape Canaveral on Aug. 18 at 8:03 a.m. EDT (1203 GMT).

After three frustrating days of weather delays, the United Launch Alliance Atlas 5 rocket blasted off from Cape Canaveral at 4:44 p.m. EST (2144 GMT) today to send Orbital ATK’s commercial Cygnus cargo freighter to the International Space Station.

Follow the Atlas 5 rocket’s ascent into orbit from Cape Canaveral’s Complex 41 launch pad with the U.S. Air Force’s GPS 2F-11 navigation satellite. Launch is scheduled for Friday at 12:17 p.m. EDT (1617 GMT).