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| | Boeing 707 Jet Transport - USA |
 | | The developed Comet 4 was first to open a transatlantic passenger jet service, on October 4,1958, but the 707s of Pan American followed from October 26,1958 and went on to inaugurate the first round the world jet passenger service on October 10,1959. |
 | | The prototype jet airliner, built as a private venture by Boeing at a cost of more than $16,000,000, amassed more than 1000 hours in its four years of flight testing, while the first three of the production airplanes used for Civil Aeronautics Administration certification testing raised the overall total to more than 1650 hours. |
 | | Including the prototype, there are eight Boeing jet airliners; the others are the 707-120, the 707-120B, the 707-220, the 707-320, the 707-420, the 720 and the 720B. |
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