COMMITTEE CONVERSATION U.S. Army Gen. Martin E. Dempsey, right, chairman of the Joint Chiefs of Staff, listens to Gen. Nicholas Houghton, chief of defense staff for British forces, during the 173rd NATO Military Committee meeting in Brussels, May 21, 2015. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 597093-L-TDL09-673.jpg Photo Gallery