Now talking about prop depots at Mars, a Jupiter Moon, asteroids. Allowing for....Oh my: pic.twitter.com/Q4BKcXVncw— Chris Bergin - NSF (@NASASpaceflight) September 27, 2016
Now talking about prop depots at Mars, a Jupiter Moon, asteroids. Allowing for....Oh my: pic.twitter.com/Q4BKcXVncw