China's navy hospital ship Peace Ark returns to port in Zhoushan in Zhejiang Province on Friday, January 18, 2019 after successfully concluding its 205-day voyage Mission Harmony 2018. [Photo: VCG]

Officers are manning the rails of the Peace Ark as it returned to port in Zhoushan in Zhejiang Province on Friday, January 18, 2019. Manning the rails is a centuries-old naval practice of saluting or rendering honors. [Photo: VCG]

A little boy rejects a kiss by his father returning from a 205-day voyage aboard the navy hospital ship Peace Ark for Mission Harmony 2018. [Photo: VCG]

A female officer lights up with pleasure after seeing the banner presented by her husband after she finished her mission aboard China's navy hospital ship Peace Ark on Friday, January 18, 2019. [Photo: VCG]

The People's Liberation Army (PLA) Eastern Theater Command holds a welcoming ceremony for the return of the Peace Ark at port in Zhoushan in Zhejiang Province on Friday, January 18, 2019. [Photo: VCG]