Core Viewpoint - The "Jiaolong" submersible has undergone significant upgrades over the past decade, enhancing its capabilities and operational efficiency, which reflects China's advancements in deep-sea technology and research [1][6]. Group 1: Technological Advancements - The "Jiaolong" submersible has completed key component localization upgrades, allowing for fully automated communication with surface vessels, providing real-time status updates every minute [2][3]. - The propulsion system has been upgraded from imported three-blade propellers to domestically produced four-blade propellers, increasing the submersible's speed from 2.5 knots to potentially 3 knots, with zero maintenance and zero faults reported during operations [3][4]. - The visual and observation systems have been enhanced to include 10 channels of 4K high-definition video, improving underwater visibility significantly [4]. Group 2: Operational Achievements - The "Jiaolong" submersible has expanded its operational depth and scope, successfully conducting missions in the Arctic and collecting valuable scientific samples that contribute to climate change research [5][8]. - The number of dives has increased dramatically, with the "Jiaolong" completing 94 dives in 2025 alone, compared to an average of 20 dives per year from 2013 to 2017, indicating improved reliability and operational capacity [7][8]. - The collaboration between "Jiaolong" and other submersibles like "Fendouzhe" has established a new operational model for underwater tasks, enhancing the overall capabilities of China's deep-sea exploration [4][8]. Group 3: Team and Community Impact - The support team for the "Jiaolong" has been reduced from approximately 17 members to around 10, showcasing increased efficiency in operations [6]. - The emotional connection and pride associated with the "Jiaolong" are highlighted through personal stories of team members and their families, emphasizing the human aspect behind technological achievements [9][11]. - The narrative of the "Jiaolong" reflects a broader theme of national pride and technological self-reliance, symbolizing China's commitment to advancing its scientific capabilities [11].