Royal Caribbean ‘s decision to launch river cruises may not have a huge impact on the cruise line’s bottom line, but it is still a smart move that could be disruptive to the industry, according to several Wall Street analysts. The company announced Tuesday it has ordered 10 ships for its new river cruise segment, launching in Europe. The first Celebrity cruises are expected to set sail in 2027 and the company will begin taking bookings this year. The expansion news came at the same time Royal Caribbean posted an earnings beat for its fourth quarter .