<Li> Centrifuge Accommodations Module (CAM) - would have been attached to Harmony (Node 2) </Li> <Li> Science Power Platform (SPP) - power will be provided to the Russian segments partly by the US solar cell platforms </Li> <Li> Russian Research Modules (RM1 and RM2) - to be replaced by single Multipurpose Laboratory Module (Nauka) </Li> <Li> Universal Docking Module (UDM) - canceled along with the Research Modules which were to connect to it </Li>

When was the construction of the iss completed