With their absolute loyalty, great senses and fast movements, dogs have been used as companions and colleagues for soldiers worldwide.
And this touching picture captures the incredible bond between an army dog and its handler.
Duo Duo, a military dog in eastern China, sat up to salute its handler Wang Xudong who was about to retire, the Daily Mail reported.
The picture was taken on November 28 in Suqiang, Jiangsu Province, at the Siyang Squadron.
Wang Xudong and his colleagues were saluting their guard post for the last time before their retirement, according to People's Daily Online, citing China News Service.