Secretary of Defense Cohen visits with troops during a dinner at Ramstein Air Base. Secretary of Defense William Cohen is surrounded by a sea of camouflage uniforms as he visits with troops during a dinner at Ramstein Air Base, Germany, on May 5, 1999. Cohen is accompanying President Bill Clinton on a visit to personally thank the U.S. troops for their support of NATO Operation Allied Force. Operation Allied Force is the air operation against targets in the Federal Republic of Yugoslavia. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 347129-V-HLP19-916.jpg Photo Gallery