German citizen, Matthias Maurer, officially graduated as an ESA astronaut on Tuesday 25 September 2018 at the European Astronaut Centre in Cologne, Germany. Having completed basic and pre-assignment training, he is now qualified to go to space. 
From in the classroom to underwater, across Europe, China and beyond, this clip showcases a few highlights from a challenging and rewarding three-year programme. Congratulations Matthias and welcome to the team. 
Follow Matthias on Twitter at https://twitter.com/Explornaut