Finally, John McFall related how he became the first person with physical disability to join ESA's astronaut reserve (as well as being a paralympian and a trauma surgeon).John's expertise helps develop innovative solutions for people with physical disabilities facing space-related challenges, such as microgravity adaptation, fitness and technology integration. Earlier this year, John received medical clearance for long-duration missions to the ISS. Find out more about the Fly! project here.

See the events from Day One and Day Two.