Chadian soldiers conduct key leader engagement and ambush training with U.S. 20th Special Forces Group soldiers during the Flintlock 2018 exercise in Niger, Africa, April 17, 2018. Flintlock 2018, hosted by Niger with key outstations at Burkina Faso and Senegal, is designed to strengthen the ability of key partner nations in the region to counter violent extremist organizations, protect their borders, and provide security for their people. Army photo by Staff Sgt. Jeremiah Runser