"Dear Valued Guests and Travel Partners, We're writing to you today with the news that one of our renowned ships from the acclaimed Sun-class series, Norwegian Sky, will leave Norwegian Cruise Line's award-winning fleet to embark toward new horizons," the cruise line shared.

Norwegian Cruise Line's two oldest ships are leaving the fleet and transferring to the Indian cruise line Cordelia Cruises.

Norwegian Cruise Line Holdings Ltd. (NYSE:NCLH) announced on Monday that the company struck long-term charter agreements for four vessels across its three brands. The deals include purchase options. Two Norwegian Cruise Line ships,