article_snippet.sent: Nasa recently signed a contract with commercial spaceflight companies SpaceX and Boeing with the intention to produce craft capable of transporting astronauts to the ISS.
article_snippet.sent: Construction of the ISS supports a crew of up to six, with crews split into groups of three.
article_snippet.sent: But at a cost of nearly £50 million per seat, it has not been a financially viable solution.
article_snippet.sent: Nasa now hope that Nasa deals with SpaceX and Boeing can cut the cost of Nasa future transportation fees.