Core Viewpoint - The Chang'e 4 mission, which landed on the far side of the moon on January 3, 2019, marked a significant achievement in China's lunar exploration efforts, with the Yutu-2 rover becoming the first to leave tracks on the moon's far side. This year, the Chang'e 7 mission is set to launch to search for evidence of water ice at the lunar south pole [1][3]. Group 1 - The Chang'e 4 lander and rover successfully separated, with Yutu-2 leaving the first human-made mark on the moon's far side [3]. - The Chang'e 7 mission is planned for this year, focusing on the lunar south pole to find water ice [1].

Core Viewpoint - The article highlights the journey of a young aerospace technician, Zhao Jie, who has been involved in China's lunar exploration missions, showcasing the importance of skilled labor in the aerospace industry and the personal growth of individuals within this field [1][2]. Group 1: Background of the Technician - Zhao Jie, born in 1990, works as an assembly technician at the China Aerospace Science and Technology Corporation's 149 Factory, participating in the assembly of significant lunar missions including Chang'e 3, 4, 5, and 6 [2][3]. - The assembly process involves intricate components, such as the docking mechanism known as the "space matchmaker lock," which is crucial for connecting spacecraft in orbit [4][5]. Group 2: Assembly Process and Challenges - The assembly environment is described as organized, with technicians using both digital tools and their own knowledge to assemble components, reflecting a shift towards digitalization in the assembly process [6]. - Zhao Jie emphasizes the complexity of assembly, comparing it to building with LEGO, where precision is critical, and mistakes can lead to significant issues during testing [6]. Group 3: Personal Growth and Experience - Zhao Jie progressed from a novice to a skilled technician, initially feeling overwhelmed by the precision required in aerospace work, but gradually gaining confidence and expertise [8][9]. - He recalls pivotal moments in his career, particularly during the successful deployment of the Yutu-2 rover on the moon, which marked significant achievements in China's lunar exploration efforts [7]. Group 4: Coping with Pressure - The article discusses the high-pressure environment in the aerospace sector, especially during rapid model iterations, and how Zhao Jie manages stress through hobbies like cycling, which also fosters team cohesion [10]. - Zhao Jie highlights the importance of continuous learning and adaptation to new technologies, indicating a shift in the skill set required for modern aerospace workers [10].