Anniversary Comments Defense Secretary Ash Carter, left, provides remarks as former Sens. Sam Nunn of Georgia, center, and Richard Lugar of Indiana look on during a ceremony commemorating the 25th Anniversary of the Nunn-Lugar Cooperative Threat Reduction Program at the Pentagon, May 9, 2016. DoD photo by Senior Master Sgt. Adrian Cadiz SHARE: Download: Full Size (1.35 MB) Credit: Senior Master Sgt. Adrian Cadiz VIRIN: 160509-D-DT527-270.JPG Photo Gallery