TUI Cruises cancels Mein Schiff 4 and 5 sailings through March 2026 as Middle East conflict keeps ships docked in the Gulf. MSC Cruises opens bookings for refurbished Musica and Orchestra with new Yacht Club suites debuting in late 2026. And Disney Cruise Line unveils the Disney Believe, its fourth Wish-class ship set to sail in late 2027.