"drdoody" wrote in
gy.com:




Because the remainder of the US' involvement in the ISS program is
being refocused on countermeasures for astronaut health on
long-duration
missions
to the moon and/or Mars. This work is supposed to be complete by
2016.
This
allows the money otherwise spent on ISS to be redirected to the
moon/Mars program after that date. Building a replacement station
would defeat the purpose.


How long is ISS supposed to last?

Its rated lifetime is 15 years. Its first element was launched in 1998.
However, it will likely last longer than its rated lifetime.


--
JRF

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