beings, except for adventurers, the kind of people who do go to the south pole and top of everest. what do the hera crew think about the experiment? well, we caught up with them, unsurprisingly out in the fresh air, shortly after they left the habitat. you know, we're all very similar. if we had one very extroverted person, maybe a strong personality that was slightly different than the group, that might have negatively affected the outcome. if you put four extroverts in there together, they're going to drive each other crazy eventually. maybe four introverts aren't going to be able to come together as a team as much, because they're more inwardly focused. you want a good blend of people, who are adaptable to not only the situation, but each other's personalities. you have a mission to mars. the goal is so huge that you're extremely motivated. - i mean, the aim of the analog is to be one step closer- to put humans on mars. i can barely imagine -