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).

United Launch Alliance engineers have resolved the problem that triggered an abort of a planned Delta 4-Heavy rocket launch Sept. 30, but the company said Friday it is continuing to evaluate a concern with the launch pad swing arm retraction system at Cape Canaveral. ULA said the Delta 4-Heavy’s mission to launch a classified National Reconnaissance Office spy satellite will be postponed beyond next week.

A Soyuz-2.1b rocket lifted off at 0541 GMT (1:41 a.m. EDT) Thursday from the Vostochny Cosmodrome in Russia’s Far East, carrying a new Russian weather satellite and 32 secondary payloads into polar orbit.