U.S. Astronaut, Scott Kelly. (Photo: NASA)
CAPE CANAVERAL, Fla. (AP) - A former space shuttle commander and a Russian cosmonaut will be going into space for a year.
Scott Kelly will be attempting the longest spaceflight ever by an American. He's the twin brother of another astronaut, Mark Kelly -- the husband of former Arizona congresswoman Gabrielle Giffords.
He and Russian cosmonaut Mikhail Komienko will begin their year on the International Space Station in 2015.
The extended mission was approved almost two months ago to provide a medical foundation for future long-duration flights -- including missions around the moon and trips to asteroids and Mars.
Both men have already lived aboard the space station for six months. NASA wanted experienced space station astronauts, to streamline the amount of training needed for a one-year stint.
Russia will continue to hold the space endurance record. Four cosmonauts spent at least a year aboard the old Mir space station. A Russian doctor was there for nearly 15 continuous months.
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