DEFENSE GREETINGS Defense Secretary Chuck Hagel, right, is greeted by Air Force Maj. Gen. Sandra E. Finan, commander of the Air Force Nuclear Weapons Center on Kirtland Air Force Base, N.M., as he arrives to visit Sandia National Laboratories in Albuquerque, N.M., Jan. 8, 2014. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 987098-Y-VRW12-109.jpg Photo Gallery