Arianespace's Soyuz-ST-B/Fregat-MT (VS18) is launching in four hours time (16:37 UTC), tasked with lofting four O3b satellites (FM13-16) from the European Spaceport in Kourou, French Guiana.

ARTICLE:https://t.co/Qs53uzyV4l

COVERAGE:https://t.co/xA7kNgcTqv pic.twitter.com/9ad9hI8ZI8

— Chris Bergin - NSF (@NASASpaceflight) March 9, 2018