mark matson jump in here. mark: it's an important initiative, very interesting.the more things we can pull together and agree on, shows your individualism, the occurring and passion that -- courage and passion that americans have for exploration. it's important in times like this where people are in a political environment that's divisive with animosity and angst in the world so my kudos to this project, absolutely great. >> thank you very much. you know, i just want to tell everybody, failure is not an option. we're going to overcome and the crew of apollo 13 can come back, we can bring back three guys in a machine the size of a volkswagen and bring them back to work safely, we're americans, we can do anything. everything and anything is possible. everyone needs to live the mantra that failure is not an option. you get up every morning, you i'm pro mice, you -- i'm provides, you adapt. -- improvise. you adapt. maria: in terms of going to space, our exploration efforts as a country -- >> it's mind boggling. our good friend elon musk, who is amazing, he's henry fo