U.S. plans to be landing on Mars in 2031.

According to the World Information Technology reported <P>: Comprehensive report on the NASA manned Mars announced details of the plan is expected early in 2031 sent a team of astronauts land on Mars spacecraft traveling an estimated cost of the manned Mars mission up to 200 billion .to 4,500 billion U.S. dollars. .</ P> <P> NASA is expected to send the "minimum number" of the astronauts ride in 2031 weighing 400 tons of "Mars ship" launched a 30-month round-trip Mars trip. .</ P> <P align=center> </ P> <P> "Mars ship" will use the 3-4 generation of heavy cargo launch vehicle "God of War 5" delivered to low Earth orbit assembly, and then by an advanced low temperature .fuel propulsion system as the driving force, the flight to Mars is expected after 6-7 months to reach Mars. .To the surface of Mars when the astronauts will stay for up to 550 days were studied. .</ P> <P> "Mars ship" before the manned Mars, NASA will be in 2028 and 2029, respectively, to launch a first material and equipment sent to Mars, when astronauts will use nuclear power to reach and .to self-sufficiency, including fruits and vegetables grown on the spacecraft as food, while the spacecraft is also equipped with a circulatory system, so that fresh air and recycling of water. .</ P> <P align=center> </ P> <P> to the first quarter of 2033, NASA will send off the first two astronauts on the Mars team, who arrived the same year in December, will take over the first space .people, and then will return the first batch of astronauts return to Earth. .NASA sent people to the moon by 2020, when the proposed test the new system. .</ P> <P> </ P> </ p>.