CHAIRMAN'S STAFF U.S. Army Gen. Martin E. Dempsey, back center, chairman of the Joint Chiefs of Staff, speaks with members of his staff in Brussels, Jan. 21, 2014. Dempsey is on a three-day trip during which he is scheduled to meet with his NATO and Russian counterparts. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 583585-W-VPO20-679.jpg Photo Gallery