Staff Sgt. George Munoz, 28th Munitions Squadron weapon systems craftsman, catches up with his family after surprising his two sons Dylan, 5, and Eric, 2, at the Robbinsdale Elementary School library in Rapid City, S.D., Feb. 17, 2012. Munoz returned home after a year-long assignment to Kunsan Air Base, South Korea. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)