Norwegian Cruise Line had already announced it was planning to compete with Royal Caribbean in the big-ship game, but details on just how big its new Pinnacle class would be were revealed

Norwegian Cruise Line will follow up its Prima-Plus class with its largest ship class to date. Fincantieri has received a firm order for the construction of four new Norwegian cruise ships each with a gross tonnage of approximately 226,000, which will make this new class of ships the largest ever built for the cruise line.

Italian shipmaker Fincantieri locked up its largest ever order for cruise liners, agreeing to build four new vessels for Norwegian Cruise Line Holdings Ltd. for about €9 billion ($9.4 billion).

Fincantieri said Wednesday that it has landed an order to built four massive cruise ships for Norwegian Cruise Line Holdings (NCLH). The State-controlled Italian shipbuilder defined it as a "very important" agreement,