Core Points - The "Deep Sea No. 1" vessel, carrying the "Jiaolong" manned submersible, has embarked on China's 92nd ocean expedition, marking a significant advancement in deep-sea exploration capabilities [1] - The expedition successfully completed over 10 manned deep dives and various underwater operations in the Arctic region, showcasing China's growing expertise in deep-sea technology [1] Group 1 - The "Deep Sea No. 1" vessel set sail from Qingdao and returned on September 8, completing the first segment of its mission [1] - The mission was supported by the "Snow Dragon 2" vessel, which provided icebreaking assistance during operations in the Arctic [1] - This expedition represents the first manned deep dive in the Arctic ice zone and the first coordinated underwater operations involving both manned and unmanned submersibles [1] Group 2 - The successful completion of this mission indicates a continuous enhancement of China's deep-sea entry and exploration capabilities [1] - The "Jiaolong" submersible has undergone domestic upgrades and is now officially operational in polar regions following trials in the South China Sea [1] - The achievements reflect China's commitment to self-reliance and strength in deep-sea technology [1]