On November 12, 2025, the main and backup crews of the ISS-74 commenced their training at Site 254 of the cosmodrome. This session, known as a "fitting," took place in the piloted spacecraft "Soyuz MS-28" under the guidance of Baikonur Cosmodrome specialists. The crews focused on cargo placement in the living compartment and descent module, executed tasks with space equipment, and carried out various scheduled training exercises. Moreover, the astronauts practiced specific operations while wearing spacesuits.