U.S. Ambassador to Latvia, Ambassador Mark Pekala conducts an interview with Latvian media after obsereving a joint coordinated live fire wiith U.S. Marines and sailors of Black Sea Rotational Force 13 and Latvian Land Forces during exercise Summer Shield aboard Camp Adazi, Latvia, April 23, 2013. Exercise Summer Shield 10 focuses on integration of fires and maneuver in a joint environment to build partner nation capacity while enhancing our interoperability between the United States, Lithuania, Estonia, and Latvia. (U.S. Marine Corps photo by SSgt David Rakes, Sr./released)v