Brian Thorn wrote in
:

On 21 Aug 2005 01:51:51 GMT, (Andre Lieven)
wrote:


What is it about ISS that precludes its operation without Shuttle?

Delivery and removal of tonnage loads of hardware and consumables,
along with significant orbital re-boosts.

Soyuz/Progress cannot do all that.

Soyuz/Progress, ATV, and HTV can, however.

It's not a perfect solution, of course. Working out a way to send up
replacement CMGs would be a priority.

And you'll have to send replacements more frequently, since you'll have no
real idea why they keep failing if you can't bring the failed ones back to
the ground intact.

--
JRF

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