Comment Disconnecting is the problem (Score 1) 202
The ISS doesn't need the Russian owned segments to carry on, but the Russian and non-Russian 'halves' have been so interconnected for so long the actual disconnecting may cause many failures. From hardware being naturally welded/fused together, to system information interchanges, to the flow of fluids, there could be many unexpected problems for a smooth disconnect. Should be fine after that.