The U.S. space agency on Friday announced plans to send a robot buggy to the moon and locate frozen water deposits that could be used for astronauts to drink and to power rockets in future missions.

NASA unveiled plans for a golf cart-sized robot, the Volatiles Investigating Polar Exploration Rover, or VIPER, to pave the way for a “sustainable, long-term presence on the Moon” and ultimately a mission to Mars.

Read more: NASA robot to scour moon for ice deposits in 2022