On Aug. 15, 1958, Boeing Vice President J.B. Connelly provided the "keys" to the 707-120, the first U.S. commercial jet, to Sanford Kauffman, Pan Am's assistant vice president of Engineering. That October, Pan Am used the 707 to inaugurate daily transatlantic jet service, between New York and Paris. The 707 was the first of the now historic family of Boeing "Seven Series" commercial airplanes. The 787 Dreamliner, expected to be delivered in September, 2011, is the latest in the lineage that…