Photos: Atlas 5 rolls out for launch

These photos taken Friday evening show the mobile gantry being wheeled away from a United Launch Alliance Delta 4-Heavy rocket at Cape Canaveral, hours before its scheduled blastoff with NASA’s Parker Solar Probe.

SpaceX test-fired a Falcon 9 rocket at Cape Canaveral on Saturday evening, clearing the way for a delayed liftoff with the Israeli-owned Amos 17 commercial communications satellite as soon as Tuesday, assuming SpaceX can work its way into a busy schedule before a previously-planned Atlas 5 launch this week on the U.S. Air Force’s Eastern Range.

A sophisticated communications satellite launches into orbit atop an Atlas 5 rocket Sunday to bring residential high-speed Internet to parts of the U.S. that must look to space for connectivity.