Dempsey Meets With Colombian Counterpart at Pentagon U.S. Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, meets with Colombian Army Gen. Juan Pablo Rodriguez Barragan, chief of Colombia's Joint Chiefs of Staff, at the Pentagon, Sept. 25, 2014. The two defense leaders met to discuss issues of mutual importance. SHARE IMAGE: Download Image: Full Size (0.09 MB) Tags: News Photos, Lead Photos, Chairman, Joint Chiefs of Staff, People, Leaders, Leaders Photo By: VIRIN: 140372-R-EPP50-092.jpg Photo Gallery