History: NASA research pilot John Manke with the Martin Marietta Lifting Body, 1975. [5100x4000]

http://imgur.com/8LZtiHc.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6d7jta/nasa_research_pilot_john_manke_with_the_martin/?utm_source=ifttt