ESA developed #Galileo in partnership w/the #EU: with a 24-satellite constellation + global ground stations, Galileo is the most complex system ever designed by the Agency, handed over to @EU_GNSS to operate July 2017 https://t.co/lExPajSzqP #BBESpaceConf #UnitedSpaceInEurope

— ESA (@esa) January 23, 2018