U.S. Marines, Bulgarian and Romanian forces train on vehicles and weapons each country has brought to Platinum Lion 16.2 on Novo Selo Training Area, Bulgaria, Jan. 7, 2016. The Marines are assigned to Combined Arms Company, Black Sea Rotational Force. Platinum Lion is designed to increase collective capabilities and demonstrate the ability to operate as a single force committed to protecting the sovereignty of NATO allies. U.S. Marine Corps photo by Cpl. Justin T. Updegraff