Pratt & Whitney Rocketdyne delivers ground breaking engineering solutions that perform in the most extreme conditions on Earth and in space. When it comes to extreme environments, none pose a greater level of difficulty or more varied set of challenges than the launch and operation of a system in space. With over 50 years of experience in liquid-propulsion systems and space technology, no other company has as great an understanding of those challenges as Pratt & Whitney Rocketdyne. We’ve fueled space-exploration missions to nearly every planet in the solar system, brought astronauts to distant places and home again, and we continue to be the nation’s number one rocket engine provider. Our unique history has led us to seek out and thrive on a wide variety of challenging projects – both in space and on the ground. We approach each with a deep commitment to problem solving and a discerning eye for innovation. We combine one of the most highly-trained workforces on Earth with our vast base of knowledge and unrivaled technical skill. We deliver zero-fail solutions that meet even the most stringent operational requirements, no matter what extremes they face. Whether we're developing a better rocket engine, a more sustainable power solution, or a revolutionary application of existing technology, Pratt & Whitney Rocketdyne engineers the most efficient, effective and reliable solutions to any challenge.