An armored vehicle is to attack in an actual combat drill at the Zhaonan military base of Shenyang Military Area Command, Northeast China’s Jilin province, January 30, 2015. The Chinese marines complete actual combat drill on Friday. Photo: China News Service

Chinese marines complete actual combat drill at the Zhaonan military base of Shengyang Military Area Command, Northeast China's Jilin Province, January 30, 2015. Chinese marines were sent to the freezing area for training to improve their combat ability. Photo: China News Service

A marine aims at target during a training at the Zhaonan military base of Shenyang Military Area Command, Northeast China’s Jilin province, Jan 30, 2015. Chinese marines complete actual combat drill on Friday. Photo: China News Service

A marine aims at target during a training at the Zhaonan military base of Shenyang Military Area Command, Northeast China’s Jilin province, Jan 30, 2015. Chinese marines were sent to the freezing area for training to improve their combat ability. Chinese marines complete actual combat drill Friday. Photo: China News Service