Airman Megan Cronin, 28th Medical Support Squadron pharmacy technician, explains the operations of a global script locator to Lt. Gen. Chris Nowland, 12th Air Force commander, during his visit at Ellsworth Air Force Base, S.D., April 8. 2015. The GSL is a medication storage system Ellsworth’s Pharmacy uses to accurately and effectively dispense patient prescriptions. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)