City pair City pair In commercial aviation, a city pair is defined as a pair of departure (origin) and arrival (destination) airport codes on a flight itinerary. A given city pair may be a single non-stop flight segment, a direct flight with one or more stops, or an itinerary with connecting flights (multiple segments). The city pair, IAD-LHR would consist of flights and/or multi-leg itineraries that originate at Washington-Dulles airport and terminate at London-Heathrow airport. The city pair, NYC-TYO would consist of flights and/or multi-leg itineraries that originate at any New York airport (New York-JFK, Newark-Liberty or New York-LaGuardia) and terminate at
Dulles' Plan Dulles' Plan The Dulles' plan or the Dulles Doctrine () is the central document of a conspiracy theory, according to which the CIA chief Allen Dulles had developed a plan for the United States to destroy the Soviet Union during the Cold War by secretly corrupting the cultural heritage and moral values of the Soviet nation. The plan was first published in Russia shortly after the dissolution of the USSR and was often quoted by prominent Russian politicians, journalists, and writers. The text originates from a work of fiction, a 1971 novel "The Eternal Call" (), by Anatoly Ivanov, where