U.S. Marine Sgt. Steven Mashburn, a squad leader with Black Sea Rotational Force, right, holds the American flag during the opening ceremony for Exercise Saber Strike at the Pabrade Training Area, Lithuania, June 8, 2015. The exercise brings NATO and other partner nations together for a multilateral training event designed to promote regional stability and security, strengthen partnerships, and foster trust. (U.S. Marine Corps photo by Sgt. Paul Peterson/Released)
