15th of September, 2009 GTS Celebrity Constellation is a Millennium class cruise ship of Celebrity Cruises. She is the co-flagship of the Celebrity fleet, along with Century-class ship Century. She was originally named Constellation, but renamed in May 2007. Her three sister ships are the Celebrity Infinity, Summit, and Millennium.She was built at the Chantiers de l’Atlantique shipyard in St. Nazaire, France. The ship boasts a COGAS power plant of gas turbines and a steam turbine providing up to 60 Megawatts for the electric systems and two 19 MW Rolls-Royce/Alstom MerMaid azimuth thrusters for propulsion. In 2007, she was refitted with the addition of a diesel engine as a fuel-saving measure. The ship can run on any combination of the gas turbines or diesel. In port, she generates electrical power from the diesel.Constellation consistently receives top honors from Conde Nast’s readers survey, and is currently ranked by readers as the best large cruise ship.She winters in the Caribbean and summers in Europe with port calls at popular destinations such as Boston, Massachusetts; Bridgetown, Barbados; Charlotte Amalie, US Virgin Islands; Dover, England; St. Petersburg, Russia; and Stockholm, Sweden.
