180802-N-QB600-006 SANTA MARIA, Cape Verde (Aug. 2, 2018) Africa Endeavor participants conduct a cyber security tabletop exercise Aug. 2, 2018 in Santa Maria, Cabo Verde. Africa Endeavor is an annual senior leader and communications symposium designed to counter violent extremist organization operations mandated by African Union and the United Nations. (U.S. Navy photo by Lt. Cmdr. Desiree Frame)