Travel Carnival, Celebrity, Costa Cruises work to bring back stranded ships, get passengers home March 16, 2020March 18, 2020Chris Woodyard, USA TODAYComments Off on Carnival, Celebrity, Costa Cruises work to bring back stranded ships, get passengers home Cruise lines including Celebrity, Royal Caribbean, Carnival and Costa all have ships at sea. Here's an update on their efforts to bring them home.