Maj. Susan Chaffee, a nurse practitioner with the 910th Medical Squadron at Youngstown Air Reserve Station, Ohio, examines a young boy in Padre de Las Casas, Dominican Republic. A team of medical personnel from the unit visited the Dominican Republic as part of a medical readiness training exercise in support of the U.S. Southern Command-sponsored exercise "Beyond the Horizon 2009." (Air Force photo/Dale Eckroth)