In recent years interest in space exploration is growing fast. The synergistic commitment between many nations is allowing an impressing growth in terms of technology, which expands the boundaries of what humankind can achieve. With the ISS, humans have set a fundamental step for the understanding and study of how the human body reacts to low gravity and therefore has set an important step towards the possibility of long period mission in space. A new space run has begun to make space more accessible for all the people, thanks to the development of suborbital flights, but also less expensive, thanks to the progress in terms of rocket reusable first stage.