In a muddy field in a suburb west of Moscow, military personnel take part in tank warfare, fire artillery and dogfight in state-of-the-art fighter jets.
원문출처 : http://www.cnn.com/2017/08/13/europe/russia-military-olympics/index.html
원문출처 : http://www.cnn.com/2017/08/13/europe/russia-military-olympics/index.html