ARISS initiative, Amateur Radio on the International Space Station, establishing numerous contacts with schools, both in 2015 and in 2022, answering students' questions. On 16 July 2015, she was awarded the Order of Merit of the Italian Republic by Italian President Mattarella, who said: "She has been followed with affection and love by all Italians." The Order of Merit is the highest ranking honour of the Republic. Expedition 67/68 Cristoforetti was assigned to fly to the International Space Station a second time in spring 2022. She is flying on the fourth mission of NASA's Commercial Crew Program, SpaceX Crew-4 on a SpaceX Crew Dragon spacecraft. The mission launched on April 27, 2022, before docking later that day. Cristoforetti's second mission to the ISS is called Minerva. She was the first person to make a TikTok video on board the International Space Station and some of her onboard videos has been viewed millions of times. On May 13, 2022, she became the first astronaut to operate the rHEALTH ONE, space's most powerful biomedical analyzer to date. She demonstrated loading of tiny drops of biological samples into the device and collection of over 100 million raw data points over several minutes with laser-based sheath-flow analysis. Her successful operation paves the way for big data in space for understanding and treating spaceflight medical conditions including circadian rhythm disturbances, bone loss, ionizing radiation exposure, kidney stones, among other conditions. On 21 July 2022, Cristoforetti completed her first spacewalk, which lasted 7 hours and 5 minutes. Along with Oleg Artemyev, the joint ESA-Roscosmos spacewalk was the third spacewalk to set up the European Robotic Arm. Cristoforetti was the first non-Russian to use the Orlan spacesuit since Michael Barratt in June of 2009, and the first European astronaut to do so since Jean-Pierre Haigneré on April 16, 1999. She took command of ISS Expedition 68 on September 28 2022. NEEMO 23 Cristoforetti commanded NEEMO mission 23 from 10 to 22 June 2019. This mission tested technologies and objectives for deep space mission and lunar explorations on the seafloor. Personal life Cristoforetti can speak Italian, English, German, French, Russian, and Chinese. Cristoforetti is married to a French engineer, Lionel Ferra. In November 2016, she gave birth to a girl in Cologne, Germany. In 2021, she gave birth to a boy. Cristoforetti appeared in the final of the Eurovision Song Contest 2022, which was held in Turin, in