Royal Caribbean International has announced that it will deploy 10 ships in the Baltic and the Mediterranean for its 2011 cruise and cruise-tour season, its biggest deployment to that region to date.

St Kitts’ Port Zante is among six famous Caribbean ports included on Cunard’s new Queen Elizabeth when it embarks on its 23-night Caribbean voyage later this year.

Crystal Cruises is offering one-night excursions to Russia’s former top secret Cosmonaut Training Center, Star City. From extreme G forces and weightlessness to the “Final Challenge” in the world’s largest hydrospace laboratory, Crystal guests can train like modern Russian cosmonauts on some of the largest, most advanced space equipment in the world.

Oceania Cruises has unveiled its 2011 European Collection, which has opened for reservations. Featuring 21 new itineraries, the Insignia, the Nautica and the Marina will cover the continent in its entirety.

Princess Cruises has unveiled its most extensive Europe season ever for 2011, with more ships, departure choices and itinerary options than in previous years. In total, seven vessels will offer 42 itinerary choices, including seven new routes, with calls at more than 135 ports.

Royal Caribbean International unveiled its roster of 2011-2012 Bermuda, Caribbean, and Canada and New England cruises, ranging from five to 12 nights sailing from three U.S. Northeast cruise ports. In 2011, the Enchantment of the Seas will continue year-round service from Baltimore, its second consecutive year.