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echoangletoday at 1:12 PM1 replyview on HN

I would call the ISS a permanent station.

https://en.wikipedia.org/wiki/International_Space_Station#:~...

> It is made of non-replaceable parts

Every part of the ISS is replaceable if you want to.

> it only has very limited life support supplies on board (month scale)

I still don't see why self-sustainability is a part of being "permanent".


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SideburnsOfDoomtoday at 3:44 PM

> I would call the ISS a permanent station.

Since the ISS end of life is scheduled for 2030 - just four years from now - I really would not call it "permanent". Even if gets a few years reprieve, that's quite temporary.

> Every part of the ISS is replaceable if you want to.

There comes a point with buildings and with space stations where tearing down and completely replacing them is a better and cheaper option than repairing or extending them. The ISS is nearing that point.

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