Airman 1st Class Valerie Stemac, 779th Medical Group mental health technician, briefs Assistant Secretary of the Air Force, Daniel B. Ginsberg on April 2, 2013 at Joint Base Andrews, Md.. The 79 MDW is a mission partner on Joint Base Andrews with two subordinate units; the 779th Medical Group on Joint Base Andrews and the 579th Medical Group on Joint Base Anacostia-Bolling. Air Force medics also work at Walter Reed National Military Medical Center, Fort Belvoir Community Hospital, Fort Meade and the Pentagon. The 79th Medical Wing is a tenant unit on Andrews, and headquartered at Malcolm Grow Medical Clinic. and Surgery Center. (U.S. Air Force photo/Airman 1st Class Erin O'Shea)