Chadian soldiers conduct key leader engagement and ambush training with U.S. 20th Special Forces Group soldiers during Flintlock 2018 in Niger, Africa, April 17, 2018. Approximately 1,500 service members from more than 20 African and western partner nations are participating in the Niger-hosted Flintlock 2018 exercise at multiple locations in Niger, Burkina Faso, and Senegal. Army photo by Staff Sgt. Jeremiah Runser