From left, Sophie Adenot of France, Raphael Liegeois of Belgium, Rosemary Cooga of Britain, Pablo Alvarez Fernandez of Spain, Katherine Bennell-Pegg of Australia and Marco Sieber of Switzerland, stand at the graduation ceremony of astronaut candidates of the Class of 2022 at the European Astronaut Centre in Cologne, Germany, Monday, April 22, 2024. The new ESA astronauts took up duty at the European Astronaut Centre one year ago to be trained to the highest level of standards as specified by the International Space Station partners. Also concluding a year of astronaut basic training is Australian astronaut candidate Katherine Bennell-Pegg, who has trained alongside ESA's candidates. (AP Photo/Martin Meissner)