Students pose for a group photo aboard the guided-missile frigate Hengyang at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Xiong Ying/Xinhua)

Teenagers visit the guided-missile frigate Hengyang at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Liang Jiepei/Xinhua)

Students visit the guided-missile frigate Hengyang at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Wang Shen/Xinhua)

Students pose for a group photo aboard the guided-missile destroyer Nanning at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Yi Ding/Xinhua)

Students visit the guided-missile destroyer Nanning at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Wang Shen/Xinhua)

Students visit the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Yi Ding/Xinhua)

Students pose for a group photo in front of the guided-missile destroyer Nanning at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Yi Ding/Xinhua)

This photo taken on July 3, 2026 shows a Chinese People's Liberation Army (PLA) Navy fleet at the PLA Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Ji Xiang/Xinhua)

Students pose for a group photo in front of the guided-missile frigate Hengyang at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Xiong Ying/Xinhua)

A Chinese People's Liberation Army (PLA) Navy soldier explains the sextant to a young student at the PLA Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Liang Jiepei/Xinhua)

Students attend a flash mob event at the Chinese People's Liberation Army (PLA) Hong Kong Garrison's naval base on Stonecutters Island in Hong Kong, south China, July 3, 2026. A visiting PLA Navy fleet ushered in its first "open-house" day here on Friday, featuring hands-on experience, drill demonstration, art performance and other exchange programs. (Photo by Jia Xiaopeng/Xinhua)