Israel has put an eighth KC-707 aerial refueling aircraft into service. It cost $23 million to convert a Boeing 707 transport into a tanker. Israel introduced the first of these aircraft in 1983, and is in the process of refurbishing the older ones. With these tankers, Israeli F-15s and F-16s can stay in the air longer, and make strikes on distant targets, like Iran. Israel first used the KC-707 to attack Palestinian terrorists, 2,000 kilometers away, in Tunis, Tunisia, in 1985. The U.S. Air Force introduced a similar aircraft, the KC-135, over fifty years ago. All 732 KC-135s were built...