Core Insights - The development of China's space rendezvous and docking technology has progressed significantly from initial trials to practical applications, marking a transformative leap in capabilities [1][3]. Group 1: Technological Progress - The first successful unmanned docking occurred in November 2011 between Shenzhou 8 and Tiangong 1, taking two days to complete [1]. - By June 2021, the Shenzhou 12 mission achieved docking with the Tianhe core module in just 6.5 hours, indicating a shift from experimental to operational status [1]. - The latest docking by Shenzhou 21 on November 1, 2025, was completed in only 3.5 hours, showcasing further optimization of the docking technology [1]. Group 2: Implications for Manned Spaceflight - The reduction in docking time to 3.5 hours enhances astronaut comfort and safety, while also improving overall mission efficiency [3]. - This advancement signifies a comprehensive breakthrough in the entire chain of technologies related to space launch, control, navigation, and communication [3]. Group 3: Future Prospects - Rendezvous and docking technology is not only fundamental for the construction of the space station but also serves as a core support for future manned lunar missions and Mars exploration [5].