British ESA astronaut Tim Peake speaks during his first public appearance after returning to Earth from the International Space Station, ISS, at the European Astronaut Center, the home base of all ESA astronauts in Cologne, Germany, Tuesday, June 21, 2016 Major Peake has confirmed he will be visiting the International Space Station for a second time following his successful six-month Principia Mission last year. This will be the 44-year-old’s second mission with the European Space Agency , based at Harwell Campus.