Rehearsal for Tianzhou-9 Cargo Mission Completed | China Space Station
China successfully conducted a joint rehearsal on Sunday morning, July 13, 2025, for the upcoming launch of the Tianzhou-9 cargo spacecraft. It is tasked with carrying supplies to the Tiangong space station, confirming all systems ready for launch.
Under the coordination of the Beijing Aerospace Flight Control Center, the Wenchang Space Launch Site, the Xi'an Satellite Control Center and the mission's sub control stations simulated the pre-launch procedures, the launch procedures, and the spacecraft flight at around 08:20 Sunday. The full-area rehearsal assessed the compatibility and coordination among the different systems.
"The Tianzhou-9 cargo spacecraft is the one with the highest payload among the latest modified versions, carrying hundreds more of kilograms than its predecessors. The Tianzhou-9 cargo spacecraft is also the first spacecraft equipped with emergency launch capabilities. The emergency launch capabilities were available at the time when the Tianzhou-8 cargo spacecraft was launched. This time, we will launch it under normal conditions," said Li Zhiyong, a researcher with China Aerospace Science and Technology Corporation.
The full-area rehearsal is the most comprehensive simulation exercise for the Tianzhou-9 mission with the maximum number of participating systems and elements, except for the ignition launch.
The successful completion of the rehearsal means that all systems are ready for the launch.
"We've finished all preparations that follow the transfer of the spacecraft and rocket combination to the launch tower. We are about to start the final electrical tests and the cargo-loading drill before the launch. We've made all necessary preparations to ensure that the launch mission proceeds smoothly as planed," Li said.
At present, the space station combination is working normally, and the Shenzhou-20 astronaut crew is also conducting manual remote operation training in orbit to prepare for the arrival of the Tianzhou-9.
Duration: 1 minute
Release Date: July 13, 2025
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