U.S. Air Force Chief Master Sgt. Chad Ballance, 355th Medical Group superintendent, during a Veterans Day assembly at Richard B. Wilson K-8 School, Tucson, Ariz., Nov. 7, 2014. Ballance spoke to a crowd of more than 1,500 students, teachers and veterans about remembering the veterans who paid the ultimate sacrifice protecting the safety and freedoms of the U.S. (U.S. Air Force Photo by Airman 1st Class Chris Massey)