WATCH Galileo launch: 12 December, lift off of #Ariane5 with 4 #Galileo navigation sats at 18:36 GMT/19:36 CET)
Launch Livestream starts: 18:10 GMT/ 19:10 CET
Satellite separation livestream: 22:00 GMT/23:00 CET
Details: https://t.co/l9I0cKf31I pic.twitter.com/MlpXS8psYp

— ESA (@esa) December 11, 2017