https://www.cnbc.com/2018/09/19/nasa-nextstep-photos-inside-deep-space-habitat-to-take-people-to-mars.html

Elon Musk just booked his first SpaceX tourist to head to the moon, and Musk also has plans to get to Mars. He is not alone. NASA is on the job too.

A first round of prototypes for deep space habitats to one day carry humans to Mars will be delivered by a group of contractors to NASA for testing in 2019, NASA spokesperson Kathryn Hambleton tells CNBC Make It.