Photos: Atlas 5 rocket soars from West Coast

The 330-foot tall mobile service tower is rolled away from the United Launch Alliance Delta 4-Heavy rocket at Cape Canaveral’s pad 37B on launch day.

Follow the Atlas 5 rocket’s ascent into orbit from Cape Canaveral’s Complex 41 launch pad with the Orbital ATK Cygnus resupply ship for the International Space Station. Launch is scheduled for Thursday at 5:55 p.m. EST (2255 GMT).

Astra officials said Saturday a software fix will likely resolve a guidance system problem that caused the company’s first orbital-class rocket to begin drifting off course soon after liftoff from Alaska Friday night, prompting a range safety officer to terminate the mission.