U.S. Navy Lt. Jg Jacob Edwards, with Task Force Leatherneck,

U.S. Navy Lt. Jg Jacob Edwards, with Task Force Leatherneck, shakes the hand of an Afghan National Army officer during a graduation ceremony from a preventative medicine class at Camp Leatherneck, Helmand province, Afghanistan, March 31, 2012. The class, taught by Regional Support Command Southwest and Regional Command Southwest medical personnel, was the first class of its type at the Joint Sustainment Academy Southwest.