U.S. EMBASSY U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, shakes hands with U.S. Marines at the U.S. Embassy in Warsaw, Poland, July 24, 2013. Dempsey traveled to Poland after spending three days in Afghanistan. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 629658-G-NDQ54-747.jpg Photo Gallery