Crew members of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" wave good-bye at a port in Zhoushan, east China's Zhejiang Province, June 16, 2024. (Photo: Xinhua)

Crew members of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" wave good-bye at a port in Zhoushan, east China's Zhejiang Province, June 16, 2024. The Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" set sail from a military port in Zhoushan in east China's Zhejiang Province on Sunday morning for Mission Harmony-2024. (Photo: Xinhua)

Crew members of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" wave good-bye at a port in Zhoushan, east China's Zhejiang Province, June 16, 2024. (Photo: Xinhua)

Crew members of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" attend a rescue training session before setting sail for the Mission Harmony-2024, on June 1, 2024. (Photo: Xinhua)

Crew members of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" wave good-bye at a port in Zhoushan, east China's Zhejiang Province, June 16, 2024. (Photo: Xinhua)

A helicopter is pictured during an anti-terrorism and anti-pirate training session of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" before it sets sail for the Mission Harmony-2024, on June 2, 2024. (Photo: Xinhua)

A crew member of Chinese People's Liberation Army (PLA) Navy hospital ship "Peace Ark" is pictured during a tactics training session before setting sail for the Mission Harmony-2024, on June 1, 2024. (Photo: Xinhua)