A patient boards Peace Ark in Fiji for medical attention in 2014. [Photo by JU ZHENHUA/FOR CHINA DAILY]

A nurse cuddles a local girl in Bangladesh in 2013. The girl was named Chin, meaning "China", to commemorate her birth on the hospital ship. [Photo by JU ZHENHUA/FOR CHINA DAILY]

A dentist examines a child on the vessel in Jamaica in 2011. [Photo by DAI ZONGFENG/FOR CHINA DAILY]

The hospital ship undertakes another mission in 2018. [Photo by JIANG SHAN/FOR CHINA DAILY]

Crew members from Peace Ark carry out a rescue drill in the Gulf of Aden in 2010. [Photo by JU ZHENHUA/FOR CHINA DAILY]