NASA said it would cost even more to build its own system, plus astronauts already use a similar one at the space station.
The space station toilet physically resembles those used on Earth, except it has leg restraints and thigh bars to keep astronauts and cosmonauts in place. Fans suck waste into the commode.
Crew members also have individual urine funnels which are attached to hoses, and the urine is deposited into a wastewater tank.
The new system will be able to transfer urine to a device that can produce drinking water.