Core Points - The Tianzhou-9 cargo spacecraft launch mission has completed a comprehensive rehearsal, indicating readiness for the upcoming launch [1] - This rehearsal is noted as the most comprehensive simulation for the Tianzhou-9 mission, involving the maximum number of tested systems and elements [1] - The status of the space station assembly is reported to be good, and the Shenzhou-20 astronaut crew is conducting manual remote operation training in preparation for Tianzhou-9 [1]