Secretary Cohen poses for a photograph with U.S. Marines of the 26th Marine Expeditionary Unit. Secretary of Defense William S. Cohen poses for a photograph with U.S. Marines of the 26th Marine Expeditionary Unit aboard the USS Kearsarge (LHD 3) in port at Thessaloniki, Greece, on July 13, 1999. Marines of the 26th Marine Expeditionary Unit were among the first U.S. troops to enter Kosovo following the cease fire agreement reached with the Yugoslav Government. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 249629-T-ZER95-297.jpg Photo Gallery