Senior Airman Taylor Johnson, 28th Medical Operations Squadron dental assistant journeyman, starts an annual cleaning on Staff Sgt. Andy Weaver, 28th Communications Squadron client service technician, in the dental clinic at Ellsworth Air Force Base, S.D., Feb. 7, 2012. Airmen receive a professional teeth cleaning once a year as part of staying healthy and ultimately mission ready. (U.S. Air Force photo by Airman 1st Class Kate Thornton/Released)