U.S. Marines with SPMAGTF Crisis Response – Africa march together using shields to protect themselves from projectiles being thrown by role-playing rioters during training in crowd and riot control techniques at the National Gendarmerie Training Center in St. Astier, France, Dec. 3, 2014. The exercise allowed the Marines to gain greater knowledge of non-lethal tactics, techniques and procedures while enhancing interoperability with the French Gendarmerie and strengthening the U.S. partnership with France. (U.S. Marine Corps photo by Cpl Jeraco Jenkins/Released)