Gen. Tod D. Wolters, the U.S. Air Forces in Europe and Air Forces Africa commander, speaks during the opening ceremony of the 2017 African Air Chiefs Symposium in Kasane, Botswana, May 16, 2017. The purpose of the symposium is to create a forum for air chiefs from across the African continent to come together to address regional and continental issues, enhance relationships and increase cooperation. This year's conference will focus on the training aspect of force development. (U.S. Air Force photo/Staff Sgt. Krystal Ardrey)