Cruise News Briefing - August 7, 2021. Five cruise passengers and a pilot were killed in a flight-seeing plane crash in Alaska on Thursday. Royal Caribbean has updated its pre-cruise testing requirement. Carnival Cruise Line’s Mardi Gras arrived into Nassau, Bahamas for the first time on Friday. Carnival Magic returns to service. Norwegian Cruise Line returns to sailing. Cruise stocks were up for CCL, RCL, and NCLH.