The Long March-2F Y20 carrier rocket and Shenzhou-20 crew spacecraft assembly commenced vertical transfer on Wednesday from the assembly facility to the launchpad at the Jiuquan Satellite Launch Center, marking a crucial phase in China's upcoming manned space mission. The carefully orchestrated vertical transfer operation requires over two hours to complete. According to the mission schedule, the Shenzhou-20 crewed spacecraft will be launched at an optimal window in the near future.