Secretary of Defense Cohen addresses U.S. and allied troops at Aviano Air Base, Italy. Secretary of Defense William S. Cohen addresses U.S. and allied troops at Aviano Air Base, Italy, on March 6, 1997, before boarding an Air Force C-17 Globemaster III for Bosnia and Herzegovina. He commended the troops for their efforts supporting NATO operations in Bosnia. SHARE: Download: Full Size (0.01 MB) Credit: VIRIN: 413808-V-JPS60-845.jpg Photo Gallery