I love this idea, I hope it comes to fruition and the science becomes public. I don't quite understand the NASA project approval plan though. AFAIK, the similar

I love this idea, I hope it comes to fruition and the science becomes public. I don't quite understand the NASA project approval plan though. AFAIK, the similar NASA Ares project was shelved? :( http://marsairplane.larc.nasa.gov/ http://marsairplane.larc.nasa.gov/