Soil excavated from the moon could be used to produce oxygen and methane, which could be used by lunar settlers for breathing and for rocket fuel.

Scientists extracted water and oxygen from moon dust using sunlight. Could it work on the lunar surface?

Source: space
Source Link: https://www.space.com/astronomy/moon/scientists-extracted-water-and-oxygen-from-moon-dust-using-sunlight-could-it-work-on-the-lunar-surface