By Daniel Kline The cruise line has completed a big part of its “Royal Comeback,” at least onboard its ships. When Freedom of the Seas sailed out of Miami on July 3, 2021, it was a celebration. That sailing marked Royal Caribbean International’s (RCL) – Get Royal Caribbean Group Report return to sailing from United States ports with its namesake brand. It was a festive occasion marked by a number of the company’s ships gathering around the cruise line’s CocoCay private island. Most of those ships only had crew members onboard, but for the 800 or so people on Freedom of the Seas, it was a retur…