- NASA Taps 11 American Companies to Advance Human Lunar Landers http://spaceref.com/news/viewpr.html?pid=54080 9 comments space
- NASA Taps 11 American Companies to Advance Human Lunar Landers https://www.nasa.gov/press-release/nasa-taps-11-american-companies-to-advance-human-lunar-landers/ 95 comments spacex