Military exercise, training exercise. 軍事演習, 訓練演習

An Afghan National Army (ANA) officer takes part in a training exercise at the Kabul Military Training Center.
October 7, 2015
http://www.voanews.com/media/photogallery/october-7-2015/2995469.html

An Afghan National Army (ANA) officer takes part in a training exercise at the Kabul Military Training Centre in Afghanistan October 7, 2015. (Photo by Ahmad Masood/Reuters)

An Afghan National Army (ANA) officer takes part in a training exercise at the Kabul Military Training Centre in Afghanistan October 7, 2015. (Photo by Ahmad Masood/Reuters)

Afghan National Army (ANA) officers march during a training exercise at the Kabul Military Training Centre in Afghanistan October 7, 2015. (Photo by Ahmad Masood/Reuters)
Training Exercise in Afghanistan
http://avaxnews.net/fact/Training_Exercise_in_Afghanistan.html

Military exercise - Wikipedia, the free encyclopedia

軍事演習