It is the Beluga Formation, transporting the worlds largest buoy..
beluga news (http://www.beluga-group.com/en/news/v/article/mv-beluga-formation-transports-worlds-largest-buoy-to-offshore-destination-in-the-gulf-of-mexico/?tx_ttnewsbackPid=13&cHash=a694b3e7ae)
New one: name of this liner, built 1966..