Astronaut-politician member of Congress to travel into space aboard Space Shuttle Columbia's STS-61-C mission, also as a payload specialist. In 2012, shuttle astronaut José M. Hernández ran for Congress in California's 10th District, he won the Democratic nomination, but lost to incumbent Jeff Denham. Canadian astronaut Marc Garneau became the first Canadian in space, when he flew in 1984 on the Space Shuttle Challenger on mission STS-41-G as a payload specialist. After two other shuttle flights, Garneau entered politics and won a seat to the Parliament of Canada in 2008. Garneau was appointed as Minister of transport by Prime minister Justin
Space Shuttle main engine Space Shuttle main engine The Aerojet Rocketdyne RS-25, otherwise known as the Space Shuttle main engine (SSME), is a liquid-fuel cryogenic rocket engine that was used on NASA's Space Shuttle and is planned to be used on its successor, the Space Launch System. Designed and manufactured in the United States by Rocketdyne (later known as Pratt & Whitney Rocketdyne and Aerojet Rocketdyne), the RS-25 burns cryogenic liquid hydrogen and liquid oxygen propellants, with each engine producing of thrust at liftoff. Although the RS-25 can trace its heritage back to the 1960s, concerted development of the engine began in the 1970s,