Boeing 707
Boeing 707 is an American jet four engine passenger aircraft, designed in the early 1950s. One of the first jet passenger liners in the world, along with the British DH-106 Comet, the Soviet Tu-104 and the French Sud Aviation Caravelle. The first flight was made at July 15., 1954. Commercial operation 707-120 began at Pan American World Airways on October 26, 1958.
The first military transport aircraft/tanker aircraft KC-135, developed on the basis of 367-80 and structural elements 707-x took off in August 1956 and deliveries to the US air force began in June 1957 years. On the basis of the civil Boeing 707 and KC-135 was developed various civil and military versions: tankers, reconnaissance, weather monitoring, scientific research, AWACS aircraft, airborne command and communication with strategic nuclear forces. Military versions will continue to fly presumably until 2040.
Srećko Bradić