Tim Peake is a European Space Agency astronaut. He finished his 186-day mission on the International Space Station in June 2017. In addition to his illustrious career as an astronaut, Tim served as an officer in the British Army, and has logged more than 3,000 flight hours on over 30 different types of aircraft. He enjoys skiing, scuba diving, cross-country running, climbing, and mountaineering, and he completed the London Marathon in 2006 (before he completed a marathon again while in space). He has two sons. Follow him on Twitter (@Astro_TimPeake).