Mark Twain, who later wrote of his trip in The Innocent’s Abroad , was certainly one of a number of wealthy passengers on this round-trip journey from America to the Holy Land, Egypt, the Crimea, and Greece. At the time, service provider ships like Quaker City have been often outfitted for leisure voyages in addition to their regular business activities. From this modest starting, cruising—or taking a vacation trip by ship—evolved into a vigorous and diversified segment of the tourism business.

• That’s why it’s essential that airways and travel firms take motion now.
• Commercial airways are one of many travel