Shenzhou 12 is a crewed space mission launched by China on June 17, 2021. It was part of the country's efforts to build the Tiangong space station. The mission carried three astronauts, known as taikonauts, who spent 30 days in space, conducting scientific experiments and performing spacewalks. During their time aboard the Tianhe core module of the Tiangong space station, the crew focused on various tasks, including technology tests and equipment maintenance. This mission marked a significant step in China's ambitions for long-term human presence in space and contributed to the ongoing development of the space station.