我与国家一起前行｜十年砺剑终成三代深潜共舞

Core Viewpoint - The "Jiaolong" submersible has undergone significant upgrades over the past decade, enhancing its capabilities and contributing to China's deep-sea exploration efforts, including recent missions in the Indian Ocean and the Arctic [1][12][15]. Group 1: Technological Advancements - The "Jiaolong" submersible has completed 91 dives in 2025, showcasing its reliability and advanced technology [1][20]. - The submersible's propulsion system has been upgraded to fully domestic components, increasing its speed from 2.5 knots to a maximum of 3 knots, with zero maintenance required over 91 dives [7][20]. - The visual and observation systems have been enhanced, featuring 10 channels of 4K high-definition video, improving underwater visibility significantly [9][11]. Group 2: Mission Achievements - In August 2025, the upgraded "Jiaolong" achieved its first dive in the Arctic ice zone, collaborating with the "Fendou" submersible for coordinated underwater operations [12][14]. - The recent missions have expanded China's deep-sea exploration footprint from the full depth of the ocean to all oceanic regions, collecting valuable samples and data for climate change research [15][21]. Group 3: Operational Efficiency - The support team for the "Jiaolong" has reduced from approximately 17 personnel in 2017 to around 10, indicating improved operational efficiency [17][20]. - The number of dives has increased significantly, with 68 dives in 2024 and 94 dives in 2025, compared to nearly 100 dives over five years from 2013 to 2017 [19][20]. Group 4: Cultural Impact - The "Jiaolong" has become a symbol of national pride, inspiring personal stories and cultural expressions, such as children's drawings and family discussions [24][30]. - The emotional connection to the "Jiaolong" reflects a broader cultural appreciation for technological advancements in China, marking a transition from mere functionality to cultural significance [30].