SpaceX CEO Elon Musk is concerned that another world war could ruin efforts to send humans to Mars.
The SpaceX CEO proposed the unconventional idea as a way to terraform the planet for humans to live on.
The SpaceX CEO is planning to set up a new, faster global Internet and use the profits to colonize Mars.
The business tycoon and inventor is aiming to have humans set foot on Mars within as little as 12 years.