Having created a sub-brand of Celestyal Cruises for 2015 consisting of a renamed 25,611gt/1980 built Celestyal Cristal, 37,773gt/1982 built Celestyal Olympia and the new for 2015 Celestyal Odyssey (former Semester at Sea ship Explorer – 24,318gt/2001 built), Louis Cruises has now made this the company’s primary cruise brand that also encompasses the previously omitted 15,781gt/1968 built Louis Aura, to become the Celestyal Aura.