Senior Master Sgt. Felicita Sueiras, Physiology Program Superintendent, Joint Base San Antonio-Randolph, Texas, speaks with Peruvian medical technicians during a subject matter expert exchange in Lima, Peru, May 17, 2017. The global health exchange brought U.S. and Peruvian counterparts together to strengthen and sustain good relationships with a partner nation. (U.S. Air Force photo by Danny Rangel)