 People who died training for space travel or died during missions that failed to reach the required altitude such as Christa McAuliffe can be found in the article on space disasters., a total of 566 people from 41 countries have gone into space according to the FAI criterion (574 people have qualified when including the US Department of Defense classification).Of those 566, three people completed a sub-orbital flight, 563 people reached Earth orbit, 24 traveled beyond low Earth orbit and 12 walked on the Moon.