Dr. John Baxter (middle), Director of the 779th Medical Group's Pentagon Flight Medicine Clinic under the Air Force District of Washington, assists a Beijing University of Chinese Medicine student with inserting acupuncture needles into fellow student, Minli Sun's ear Oct. 24, 2012 in Beijing, China. During the medical exchange, Sun explained that she had experience back pain from a car accident that happened when she was 12 years old. She told fellow students her pain was gone after 3 needles of using the battlefield acupuncture procedure. At the invitation of China's People Liberation Army, U.S. Air Force medical physicians, alongside their Chinese military and civilian counterparts, conducted the first-ever Medical Acupuncture Subject Matter Expert Exchange in Beijing Oct. 21-27, 2012. (U.S. Air Force courtesy photo)