Participants of African Partnership Flight Senegal pose for a photo after the opening ceremony of APF at Captain Andalla Cissé Air Base, Senegal, March 19, 2018. Ten nations are participating in this event, which will focus on casualty evacuation, aeromedical evacuation, as well as air and ground safety. (U.S. Air Force photo by Airman 1st Class Eli Chevalier)