This photo taken on July 5, 2026 shows a Russian submarine to participate in the "Joint Sea-2026" naval exercise arriving at a military port in Qingdao, east China's Shandong Province. Chinese and Russian navies will hold the "Joint Sea-2026" naval exercise this month in waters and airspace near the Chinese port city of Qingdao in east China's Shandong Province, China's Ministry of National Defense announced Sunday. (Xinhua/Li Bingxuan)

　　An aerial drone photo taken on July 5, 2026 shows a fleet of Russian naval vessels to participate in the "Joint Sea-2026" naval exercise docking at a military port in Qingdao, east China's Shandong Province. Chinese and Russian navies will hold the "Joint Sea-2026" naval exercise this month in waters and airspace near the Chinese port city of Qingdao in east China's Shandong Province, China's Ministry of National Defense announced Sunday. (Photo by Li Fengxiang/Xinhua)