article_snippet: By staying on the Space Station for 12 months, the astronauts will also provide key information on how an eventual Mars mission - estimated to last three years there and back - might play out.
article_snippet: But, until now, crew members have only spent about six months on the Space Station at a time.
article_snippet: Kelly and Kornienko will spend 12 months in space, while Padalka will be there for just six months.
article_snippet: Kornienko, 54, a former paratrooper from Moscow, will also leave a wife, Irina, on Earth.  
article_snippet: Only Kelly and Kornienko will remain on the Space Station for 12 months .
article_snippet: On An Orthodox priest trip, An Orthodox priest will break the record for cumulative time spent in space, which currently stands at 803 days, and will also become the first person to command the station four times.
article_snippet: It will be the second space mission for Mr Kornienko, 54, a former paratrooper whose helicopter-pilot father was part of the search and rescue team for the first Soviet cosmonauts back in the 1960s.
article_snippet: Mikhail Kornienko stay was in 2010, 12 years after Mikhail Kornienko selection as a cosmonaut.
article_snippet: Mikhail Kornienko already says Mikhail Kornienko'd take on another one-year mission — after a break, of course.