How odd that the toilet module on the Russian side transfers its urine to a tank that later burns-up in the atmosphere! Why not just let it vaporize in space like we do during other missions?
I remember reading somewhere about a $17,000.00 hammer that went to outer space, ...
Because the tree huggers would say we were littering outer space now ?
Nothing beats a container of nuclear waster strapped to a rocket...that'll be the day