Col. Susan Pietrykowski, 28th Medical Group commander, explains the 28th MDG’s mission to a group of surveyors from the Accreditation Association of Ambulatory Health Care during an orientation meeting held in the 28th MDG at Ellsworth Air Force Base, S.D., March 12, 2013. The surveyors came to Ellsworth to conduct a three-day-long inspection designed to help the professionals of the 28th MDG improve and enhance the quality and effectiveness of healthcare they provide. (U.S. Air Force photo by Airman 1st Class Hrair H. Palyan/Released)