Afghan army Pvt. Samad Khan, a medic, checks the heartbeat of U.S. Navy Petty Officer 2nd Class Seth Michaelis during the final examination of an eight-week medic course for Afghan soldiers on Forward Operating Base Delhi in Afghanistan's Helmand province, March 9, 2012. Corpsmen with "America's Battalion" led the course, which was the first for Afghan soldiers in Garmsir district. Michaelis is assigned to the 3rd Battalion, 3rd Marine Regiment.