Boeing RC-135 Rivet Joint is a four engine, medium weight reconnaissance aircraft designed and made by Boeing Defence and Integrated Systems for the US Air Force (USAF). The aircraft is derivedfrom its predecessor the C-135 Stratolifter and can execute intelligence, surveillance and reconnaissance (ISR) operations. a complete of 32 RC-135s have been built since 1964.
The Boeing RC-135 is powered by four F108-CF-201 high bypass turbofan engines each of which can turn out 21,000lbf of thrust. F108 is the US military designation of the CFM56 engine manufactured by CFM International. The engine reduces fuel consumption, noise and emissions as per the stringent far 33-6 ingestion rules.