Live coverage: Soyuz rocket lifts off with new Galileo satellites

A day before blastoff with two Intelsat communications satellites, an Ariane 5 rocket rolled into position on its launch pad in French Guiana on Tuesday behind a 540-horsepower Titan truck, and these close-up snapshots show technicians preparing for the journey.

After making landfall in South Florida, Hurricane Irma moved north over the state before losing strength and being downgraded to a tropical storm. NASA safety officials report the Kennedy Space Center lost electricity and water pressure during the storm, but a team of emergency personnel at the spaceport is safe.

The European Space Agency’s Aeolus winds observatory is set for liftoff aboard a Vega rocket to kick off a three-year mission to measure global wind profiles from an orbit nearly 200 miles (320 kilometers) above Earth.