Air Force Master Sgt. Chris Choate, with the North Carolina Air National Guard's 156th Aeromedical Evacuation Squadron, shows members of the Botswana Defense Force how to properly secure a litter on a BDF C-130 Hercules aircraft as part of training exercise MEDLITE 12, Aug. 11, 2012. MEDLITE is an annual exercise that brings together U.S. forces personnel with counterparts from militaries throughout Africa. The goal of the exercise is to enhance capabilities and work together by introducing the U.S. Aeromedical Evacuation system of patient movement to the BDF military personnel.