Alone Together, with a Crew of 276

The newlyweds will not be piped aboard the royal yacht Britannia — that mark of naval respect is normally accorded only to the Queen. But during the course of the two-week Mediterranean honeymoon cruise, Prince Charles and Lady Diana will be coddled and comforted by every other amenity that the glorious ship has to offer. A seagoing resort, the Britannia is outfitted with swimming pool, ballroom, chapel, theater, and a dining room that seats 40. There is a crack crew of 254 Royal Navy sailors (two-thirds of whom sign on for their...