The technology required to a return journey is not available so it would be impossible to bring them back. There are several other crucial factors in this project which I will be looking into, such as surface radiation, Psychological impact to the applicants and skills needed to run such a small colony.
I find the concept fascinating but dangerous, very interesting but I doubt it. I am hoping to gain a lot more insight into this and give a full analysis of this topic based on information gained.
Stay with me as I journey through this project to find out just what it entails and whether it is feasible.