This timelapse video shows Galileo satellites 15–18, from final preparations to liftoff on a Ariane 5 launcher, flight VA233, from Europe’s Spaceport in French Guiana, on 17 November 2016, accelerating deployment of the new satellite navigation system. Galileo is the Europe’s own global satellite navigation system. The full system of 24 satellites plus spares is expected to be in place by 2020.