Alexander Gerst during EVA training

ESA astronaut Alexander Gerst during spacewalk training at ESA's Neutral Buoyancy Facility at the European Astronaut Centre, in Cologne, Germany, 8 September 2010.

Spacewalk training teaches ESA astronauts basic Extravehicular Activity (EVA) concepts and skills, such as tethering to the International Space Station, the use of special EVA tools, communicating with an EVA crewmate and with the control room and how to keep full situational awareness in a complex and challenging environment.