Capt. Thiennga Nguyen, 332nd Expeditionary Medical Group doctor, uses an otoscope to check for an ear infection on a patient in an undisclosed location in Southwest Asia, Jan. 19, 2012. Nguyen and fellow health care providers use otoscopes to screen for illness during regular check-ups, the otoscope, makes it possible to see the outer and middle ear. Nguyen is deployed from Misawa Air Base, Japan and is a native of Albuquerque, N.M. (U.S. Air Force photo by Staff Sgt. Joshua J. Garcia)