Chapter 458 Mars

"The second problem is that the rare material we have won't help us leave the solar system. We need to find more rare materials in the solar system," Chase said.

Divine Land Spacecraft had taken most of the rare materials away. There were rare ores on the Earth, but Chase and his people didn't have time to mine.

Controllable nuclear fusion supported five systems: power system, electricity system, anti-gravity system, ecological system, and air conversion system.

Deuterium...