Video: Ariane 5 takes off from French Guiana
Successful Ariane 5 launch fills out European navigation fleet
Live coverage: Ariane 5 launches from French Guiana
Photos: Ariane 5 rocket rolls to launch with four Galileo satellites
An Ariane 5 rocket emerged from its vertical assembly building Monday and rolled along dual rail tracks for a 1.7-mile (2.7-kilometer) journey to its launch pad at the Guiana Space Center on the northern coastline of South America, moving into position for blastoff Wednesday with four Galileo navigation satellites.