On Tuesday 29 August, Slawosz Uznanski, Polish engineer and CERN staff member said goodbye to colleagues and friends ahead of his leave of absence to begin astronaut training. More images available here.
In November 2022, Slawosz was selected out of more than 22 500 applicants to be one of 11 members of the ESA 2022 astronaut class. You can follow Slawosz on his adventures via Linkedin, Instagram and Facebook.