Unmanned vessel joins maritime rescue in Mainland, HK, Macao joint drill(1/3)

A helicopter takes part in a maritime search and rescue drill in the sea of Zhuhai, south China's Guangdong Province, Sept. 12, 2023. (Photo provided to China News Service)

More than 15 vessels, one helicopter and one unmanned vessel from Guangdong, Hong Kong Special Administrative Region and Macao Administrative Region participated in the joint drill on Tuesday.

Vessels conduct a maritime search and rescue drill in the sea off Zhuhai city, south China's Guangdong Province, Sept. 12, 2023. (Photo provided to China News Service)

A helicopter takes part in a maritime search and rescue drill in the sea of Zhuhai, south China's Guangdong Province, Sept. 12, 2023. (Photo provided to China News Service)