United States Aeronautics and Space Administration (NASA) reported returning to the U.S. manned space flight, which was temporarily refused to stop the use of unsafe stored multiple space shuttle. Since then, NASA astronauts your flight to the International Space Station (ISS) Russian leased space ships.
One of NASA's astronaut place they cost 70 million. dollars. During the year, usually in the space station came six American astronauts.
Now NASA has announced that American companies, Boeing and SpaceX won the tender announced commercial manned flight to the ISS. NASA announced they signed the 6.8 billion dollar contract called space taxi services. Boeing went to 4.2 billion. dollars, and SpaceX - 2.6 billion.
Both these companies spacecraft for NASA astronauts manned flight, NASA will still have to cope with security tests. Only after that will be allowed to use them for flights to the ISS. Under the agreement, each company will have to make a year from 2 to 6 manned flights to space their spaceship.
So far, NASA has released hundreds of millions, helping private companies like SpaceX, Boeing and Sierra Nevada to develop its own crew transportation apparatus that Americans in 2017 would have to rise to orbit using its own resources.
