Video: TDRS-M takes flight atop Atlas 5

Two U.S.-built commercial communications satellites moved to their last stop on Earth on Tuesday, when an Ariane 5 rocket rolled out to a launch pad at the edge of the Amazon jungle on the eve of liftoff.

The blastoff of four broadband Internet satellites aboard a Soyuz rocket from French Guiana has been pushed back to Friday, the launch company Arianespace announced Monday.

Images taken inside SpaceX facilities at Cape Canaveral and released by NASA Thursday show the Crew Dragon capsule and Falcon 9 booster assigned to an in-flight abort test of the new human-rated spaceship later this year, a prerequisite before astronauts climb aboard for a mission to the International Space Station.