 These flights carried American service personnel for R&R leaves in Hong Kong, Tokyo, and other Asian cities.In August 1953 PAA scheduled passenger flights to 106 airports; in May 1968 to 122 airports; in November 1978 to 65 airports (plus a few freight-only airports); in November 1985 to 98 airports; in November 1991 to 46 airports (plus 14 more that just got "Pan Am Express" prop flights).Pan Am had invested in a large fleet of Boeing 747s expecting that air travel would continue to increase.