Cruise News Briefing - June 10, 2021. Carnival Cruise Line’s new ship, Mardi Gras, was refueled with liquefied natural gas in Port Canaveral for the first time. Disney Cruise Line has released an update to its Navigator smartphone app ahead of its UK Staycation sailings. In honor of World Oceans Day on Tuesday, Norwegian Cruise Line donated $25,000 towards ocean conservation efforts. Cruise line stocks for CCL, RCL, and NCLH.