SEOUL, South Korea " A nursing instructor from Yonsei University College of Medicine guides a flexible camera into an obstructed airway during a practical exercise July 10 at the 23rd Asia Pacific Military Medicine Conference. (From left to right) Maj. Choi Gyeong-Pil, Republic of Korea Army; Capt. Han Song-Hee, ROK Army; Capt. Hwang Yu-Gyeong, ROK Army; look on while 1st Lt. Ji Sang-Hwan, DMZ Police, looks for the obstruction on the portable monitor. Military medical leaders from 21 nations participated in the conference from July 8-12. The annual medical exchange, hosted by U.S. Army Pacific and Republic of Korea Armed Forces Medical Command, addressed everything from emerging infectious diseases to deployment health for peacekeeping operations.