The 707-320 is the new version of the Boeing 707 .
The new version was numbered 707-320.Pan Am was the first airline to operate the 707 ; the carrier inaugurated 707 service with a christening at National Airport on October 17 , 1958 , attended by President Eisenhower , followed by a transatlantic flight for VIPs ( personal guests of founder Juan Trippe ) from Baltimore 's Friendship International Airport to Paris .
Boeing 707