中国航天科技集团李喆：神舟二十一号载人飞船首次采用3.5小时自主快速交会对接模式

Core Points - The Shenzhou-21 manned spacecraft was successfully launched on October 31, marking a significant achievement in China's space exploration efforts [2] - The spacecraft features an innovative 3.5-hour autonomous rapid rendezvous and docking mode, showcasing advancements in technology and operational efficiency [2] Group 1 - The Shenzhou-21 mission represents a milestone in China's manned space program, highlighting the country's growing capabilities in space technology [2] - The introduction of the 3.5-hour autonomous docking mode is a key innovation that could enhance future missions and reduce the time required for spacecraft to dock [2]