Space Island Group

I'm curious why nobody has posted anything regarding Space Island Groups
approach towards building a rather large
space station using the shuttle's external tanks. Perhaps a few here can
shed some light on the matter.

Here's the link to their page. Seems they've gone through a lot of work
already, though I haven't seen any really
current updates on building a station.

http://www.spaceislandgroup.com/home.html


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