From time to time, one or more cruise lines will offer special discounts on select sailings to Vacations To Go customers who are employees of a domestic or international commercial passenger airline. Employees of other cruise lines, Amtrak, Federal Express, DHL, United Parcel Service (UPS), Astar Air Cargo, Worldspan, Sabre, Galileo/Apollo, Amadeus, and members of the Airline Pilots' Association (ALPA), Federal Aviation Administration (FAA), International Airlines Travel Agent Network (IATAN) and National Air Traffic Controllers Association (NATCA) may also be eligible. In some cases, the spouse, parents, parents-in-law and dependent children may book one stateroom if the interline eligible guest is not traveling. Retired airline and cruise line employees may also be eligible. You must present proper documentation at the time of booking to qualify for the special rates. For eligibility requirements for each cruise line, scroll down.