What air craft ended production in 1992 and was derived from the same aircraft as the Boeing C-137 Stratoliner?
Boeing C-137 Stratoliner: The Boeing C-137 Stratoliner was a VIP transport aircraft derived from the Boeing 707 jet airliner used by the United States Air Force. Boeing C-137 Stratoliner:  In addition, the 707 served as the basis for several specialized versions, such as the E-3 Sentry AWACS aircraft. Boeing E-3 Sentry: The Boeing E-3 Sentry, commonly known as AWACS, is an American airborne early warning and control (AEW&C) aircraft developed by Boeing as the prime contractor. Boeing E-3 Sentry:  The E-3 is distinguished by the distinctive rotating radar dome above the fuselage.
Boeing E-3 Sentry