Complex sentence: Orion Expedition Cruises is an Australian based luxury expedition cruise line that was formed in 2004, currently operating a single vessel, the German built 103m, 4000 gross tonne MV "Orion".
Split into simpler sentences: Orion Expedition Cruises is an Australian-based luxury expedition cruise line that was formed in 2004. It currently operates a single vessel, the German-built 103 m, 4000 gross tonne MV "Orion".