Cruise News Briefing - May 3, 2021. Two Carnival Cruise Line ships arrived in Galveston, Texas over the weekend in support of the resumption of cruising. PortMiami is starting to vaccinate cruise ship crew members, with a goal of 900 expected for this week. MSC has started a mass vaccine program on the 10 ships that are starting to sail the Mediterranean this summer. Cruise line stocks for CCL, NCLH, and RCL.