Staff Sgts. Rivera and Casey clear and safe weapons and ammunition that were confiscated. U.S. Army Staff Sgts. Rafael Rivera (right) and Lance Casey clear and safe weapons and ammunition that were confiscated on July 5, 1999 in Vitina, Kosovo. Rivera and Casey are attached to the 82nd Airborne Division and are deployed as part of KFOR. KFOR is the NATO-led, international military force in Kosovo on the peacekeeping mission known as Operation Joint Guardian. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 613283-Y-AEA74-322.jpg Photo Gallery