Viking on pace to sail four-ship ocean fleet by 2017

... order was for two ships (the second to be delivered in mid-2016) as well as options for an additional four. Cruise lines often get better prices by ordering additional copies of a prototype vessel. Creating a new ocean line is audacious, but Viking ...

http://www.travelweekly.com/Cruise-Travel/Viking-on-pace-to-sail-four-ship-ocean-fleet-by-2017/