U.S. President Barack Obama talks with Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, prior to a meeting with military leaders from 21 nations to discuss strategy in the Middle East during a conference at Joint Base Andrews, Md., Oct 14, 2014. The discussion was part of an ongoing effort to build a coalition and integrate capabilities. U.S. President Barack Obama talks with Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, prior to a meeting with military leaders from 21 nations to discuss strategy in the Middle East during a conference at Joint Base Andrews, Md., Oct 14, 2014. The discussion was part of an ongoing effort to build a coalition and integrate capabilities. SHARE: Download: Full Size (0.62 MB) Tags: Photo Essays Credit: VIRIN: 436594-I-SLH71-328.jpg Photo Gallery