This has not happened in the last five decades. An Astronaut explorer took his name from NASA's training by surprise to the world. About 18,000 applicants regularly send applications to NASA for this post. However, only 12 people were elected from among them.
According to the US Space Agency, the name of the adventurer Rob Kullin. It is learned that one year after the train was elected, the astronaut resigned. Commenting on his resignation, NASA spokesman Brandy Dean said. He said that Kulin has shown his personal problem as a cause for divorce. Brandi Dean, who did not want to say anything more than that.
In June of 2017 Rob Kullin was elected to NASA 2017 astronaut candidates. In that year, he started two-year training as an astronaut candidate in August. According to NASA's website, Rob was working as a senior manager in the 'Space-X' company prior to the election for training. Kulina was associated with that company since 2011.
Kulin is a resident of Alaska. There is a master-degree on screen science. Then from the University of California, he did a doctorate in engineering. It is not the end here, he worked for quite a few days as an activist Fisherman in Alaska. He was also a private pilot before.