Photo taken on Sept. 14, 2016 shows the displayed C-17 Globemaster III of the United States Air Force on the opening day of Africa Aerospace and Defense (AAD) 2016 Exhibition at the Waterkloof Air Force Base, south of Pretoria, South Africa, on Sept. 14, 2016. The AAD 2016 Exhibition, which is the largest one of its kind in Africa, kicked off here on Wednesday. More than 380 exhibitors from over 30 countries took part in the biennial exhibition which will last until Sept. 18 this year. (Xinhua/Zhai Jianlan)
