SAINT-ASTIER, France (Jan. 18, 2019) U.S. Marines with Special Purpose Marine Air-Ground Task Force-Crisis Response-Africa move their contact line through tear gas during a simulated U.S. embassy reinforcement exercise at the National Gendarmerie Tactical Training Center in Saint-Astier, France, Jan. 18, 2019. SPMAGTF-CR-AF is a rotational force deployed to conduct crisis-response and theater-security operations in Europe and Africa. (U.S. Marine Corps photo by 2nd Lt. Taylor Cox/Released)