Staff Sgt. Ricky Valencia, 28th Medical Support Squadron pharmacy technician, prepares to mix hydrocortisone and clotrimazole together while filling prescriptions at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. The 28th MDSS pharmacy services are available to active duty members, retirees and family members. Pharmacy members complete an average of 510 prescriptions for Ellsworth customers per day. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)