3:20 (5 of 5) Dr. Chris McKay - Steps to Human Exploration on Mars - 2009 Mars Society Convention The Mars Society
10:01 (4 of 5) Dr. Chris McKay - Steps to Human Exploration on Mars - 2009 Mars Society Convention The Mars Society
10:01 (3 of 5) Dr. Chris McKay - Steps to Human Exploration on Mars - 2009 Mars Society Convention The Mars Society
10:01 (2 of 5) Dr. Chris McKay - Steps to Human Exploration on Mars - 2009 Mars Society Convention The Mars Society
10:01 (1 of 5) Dr. Chris McKay - Steps to Human Exploration on Mars - 2009 Mars Society Convention The Mars Society
7:05 Dr. Chris McKay - Human Exploration of Mars - Questions Highlight - 2009 Mars Society Convention The Mars Society
