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)

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)

Staff Sgt. Ricky Valencia, 28th Medical Support Squadron pharmacy technician, combines hydrocortisone and clotrimazole while filling prescriptions at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. Ellsworth pharmacists play a critical role in preventing medication errors, advise physicians on the best medication choices and work directly with patients to ensure they understand how to properly use their medications safely and effectively. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)

Staff Sgt. Ricky Valencia, 28th Medical Support Squadron pharmacy technician, combines hydrocortisone and clotrimazole while filling prescriptions at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. Ellsworth pharmacists play a critical role in preventing medication errors, advise physicians on the best medication choices and work directly with patients to ensure they understand how to properly use their medications safely and effectively. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)

Capt. Richard Boyd, 28th Medical Support Squadron staff pharmacist, processes medication at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. Boyd ensures patient safety by tracking their medications and dosage levels with the Ellsworth pharmacy, which supports 33,000 beneficiaries with 124,000 prescriptions annually. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)

Capt. Richard Boyd, 28th Medical Support Squadron staff pharmacist, processes medication at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. Boyd ensures patient safety by tracking their medications and dosage levels with the Ellsworth pharmacy, which supports 33,000 beneficiaries with 124,000 prescriptions annually. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)

Processed medications await pick up at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. Pharmacists in the 28th Medical Support Squadron carefully screen all medications to ensure quality controlled products are correctly supplied to their patients. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)

Processed medications await pick up at the pharmacy on Ellsworth Air Force Base, S.D., July 23, 2013. Pharmacists in the 28th Medical Support Squadron carefully screen all medications to ensure quality controlled products are correctly supplied to their patients. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)