Article from 2015 mentions Google's Lunar X ~
Very interesting this part at the bottom of the article ~
"…Looking ahead 15 or 20 years, Jain said he envisions a day when the moon is used as a sort of way station enabling easier travel for exploration to other planets. "
"Helping to drive this newfound interest in privately funded space exploration is the Google Lunar X Prize. It’s a competition organized by the X Prize Foundation and sponsored by Google that will award $30 million to the first company that lands a commercial spacecraft on the moon, travels 500 meters across its surface and sends high-definition images and video back to Earth—all before the end of 2016.
Moon Express is already at the front of the pack. In January it was awarded a $1 million milestone prize from Google for being the only company in the competition so far to test a prototype of its lander. “Winning the X prize would be a great thing,” said Jain. “But building a great company is the ultimate goal with us.” When it comes to space exploration, he added, “it’s clear that the baton has been passed from the government to the private sector.”"
https://www.cnbc.com/2015/03/10/billionaire-teams-up-with-nasa-to-mine-the-moon.html