Core Points - The Shenzhou-21 manned spacecraft successfully launched on October 31, 2023, marking a new chapter in China's space exploration efforts [1] - The spacecraft achieved a record-fast docking time of 3.5 hours with the Tianhe core module of the Chinese space station, improving the autonomous docking capabilities of the Shenzhou spacecraft [2] - The Shenzhou-21 is the sixth manned spacecraft in the application and development phase of the Chinese space station and the first to utilize a 3.5-hour rapid docking plan [1][2] Summary by Sections Launch and Docking - The Shenzhou-21 spacecraft was launched from the Jiuquan Satellite Launch Center, successfully entering its designated orbit [1] - The docking process with the space station was completed in approximately 3.5 hours, setting a new record for Shenzhou spacecraft [1][2] Technological Advancements - The 3.5-hour rapid docking plan reduces the number of trajectory control maneuvers and flight circles, alleviating the pressure on astronauts and enhancing overall mission reliability [2] - The Shenzhou spacecraft's payload capacity has been increased to transport high-value and time-sensitive cargo, contributing to the development of China's space station [2] Continuous Improvement - Over the past five years, the Shenzhou spacecraft team has focused on technological and procedural innovations to enhance mission execution capabilities [2] - The design of the return capsule has been optimized to expand downlink payload capacity, facilitating various space science experiments [2] Backup and Emergency Preparedness - The Shenzhou-22 spacecraft is on standby as a backup for emergency rescue operations, having completed all necessary preparations [3]