 JP-7

Turbine Fuel, Low Volatility, JP-7, commonly known as JP-7 (referred to as Jet Propellant 7 prior to MIL-DTL-38219) is a type of jet fuel that was developed for the United States Air Force (USAF) for use in its supersonic military aircraft that required a jet fuel with a high flash point and high thermal stability.JP-7 is the fuel that was developed, which was required by the Pratt & Whitney J58 (JT11D-20) turbojet engine, which was used primarily in the now retired Lockheed SR-71 Blackbird.