他种下的“苹果树”，如今已根深叶茂

Core Viewpoint - The article commemorates the 70th anniversary of Qian Xuesen's return to China, highlighting his pivotal role in the development of China's aerospace industry and his visionary decisions that prioritized missile development over aviation due to national defense needs [1][2]. Group 1: Historical Context and Decisions - In 1955, Qian Xuesen advocated for prioritizing missile development to address China's urgent defense needs, despite the prevailing focus on aviation [1][2]. - Qian's insights were based on a deep understanding of China's industrial limitations and the strategic advantages of missiles, particularly in guidance technology, which had potential for short-term breakthroughs [1][2]. Group 2: Key Contributions and Leadership - The establishment of the Ministry of National Defense's Fifth Research Institute in 1956 marked the official start of China's aerospace endeavors, with Qian Xuesen playing an irreplaceable role in this foundational moment [2]. - Qian demonstrated his leadership during the preparation of China's first artificial satellite, "Dongfanghong-1," by confidently approving its launch despite initial concerns about its operational reliability [2]. Group 3: Risk Management and Communication - During high-risk "two bombs" tests, Qian Xuesen effectively communicated the importance of safety measures to factory workers, emphasizing the need for precaution even when risks seemed minimal [3]. - His ability to convey complex scientific concepts in an understandable manner helped ensure the safety and cooperation of personnel involved in critical aerospace projects [3]. Group 4: Legacy and Inspiration - Qian Xuesen's contributions laid the groundwork for China's aerospace achievements, inspiring a new generation of scientists and researchers to pursue technological independence and innovation [4].