Cruise News Briefing - June 8, 2021. MSC Cruises has announced its U.S. return with Caribbean and Bahamas sailings on two ships out of Florida. Norwegian Cruise Line has announced additional U.S. deployments for summer and fall 2021, and is sticking with its vaccination mandate. Carnival Cruise Line said they still plan on sailing from Galveston this summer with a vaccinated ship that is in accordance with CDC guidelines. Cruise line stocks for NCLH, CCL, and RCL.