original question: what Rocket engine is Manufactured by [Pratt & Whitney], and have an Isp (vacuum) bigger than [302.0]?
answer: rl10, rs-27a
answer type: Rocket engine.
auxiliary information: Pratt & Whitney is an American aerospace manufacturer with global service operations. It is a subsidiary of United Technologies Corporation. Pratt & Whitney's aircraft engines are widely used in both civil aviation and military aviation. Its headquarters are in East Hartford, Connecticut. As one of the "big three" aero-engine manufacturers, it competes with General Electric and Rolls-Royce, although it has also formed joint ventures with both of these companies. In addition to aircraft engines, Pratt & Whitney manufactures gas turbines for industrial and power generation, and marine turbines. As of 2014, the company reported having 31,500 employees supporting more than 11,000 customers in 180 countries around the world. In 2013, Pratt & Whitney's revenue totaled $14.5 billion.
What is the name of the Rocket engine that is manufactured by [Pratt & Whitney], and have an Isp (vacuum) bigger than [302.0]?