Core Insights - China has become the only country in the world to conduct continuous manned deep-sea diving operations in the Arctic dense sea ice region, utilizing its independently designed and built ice-breaking manned submersible operation mother ship "Xplorer III" and the manned submersible "Fendouzhe" [1][3] Group 1 - The Arctic manned deep-sea diving mission was organized by the Ministry of Natural Resources and the Chinese Academy of Sciences, led by the Institute of Deep Sea Science and Engineering [1][3] - The "Fendouzhe" submersible completed 43 diving operations in the Arctic and collaborated underwater with the "Jiaolong" manned submersible, innovating a new mode of underwater cooperative operations with dual manned submersibles [1][3] Group 2 - The mission validated the operational capabilities and application value of the "Fendouzhe" submersible and "Xplorer III" mother ship in extreme polar ice conditions, achieving breakthroughs in domestic technology for deep-sea scientific research [3] - The research team established operational protocols for the "Fendouzhe" submersible in extreme environments and pioneered a new mobile ice-diving model for operations in dense ice regions [3] Group 3 - The team collected valuable water, sediment, rock, and biological samples, obtaining a large amount of observational data that will support in-depth research on rapid climate change in the Arctic and geological processes in the Arctic mid-ocean ridge [3] - The Arctic manned deep-sea diving team set out from Sanya on July 22, traveled over 15,000 nautical miles, and participated in China's 15th Arctic scientific expedition with over 80 team members [3]