A sailor provides security during Exercise Iron Sword 16 in the Rukla Training Area, Lithuania, Nov. 29, 2016. The sailor is assigned to Black Sea Rotational Force 16.2. Iron Sword is an international training exercise featuring 11 NATO countries and about 4,000 troops, designed to promote regional stability and security, while strengthening partnership capacity, and fostering trust while improving the ability to conduct joint training between Lithuania, the U.S. and NATO member nations. Marine Corps photo by Cpl. Clarence L. Wimberly