Air Vietnam
…used from the mid-1960s included South Vietnamese Olympians, such as Thach Thi Ngoc, and flamboyant military officer Nguyễn Cao Kỳ, whose wife Madame Nguyễn Cao Kỳ was a flight stewardess before they were married. These celebrities promoted the airline's operation of Viscounts on the "Green Dragon Route", alternating…