From your perspective, the commercial approach, such as used by companies as SpaceX and Orbital, and now Boeing is in that competition as well, versus the government approach to launch vehicle development--describe for us the differences in your mind, particularly as it pertains to cost.
Nelson asks about differences between commercial and government launch vehicle development.
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When we find those, by the way, not only looking for life, we start to understand their development, and we better understand who we are, why we are here, how we got here, and all of this evolution of the cosmos.
All of us have a responsibility to protect our home planet. After all, it's the only one we have.
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