U.S. Air Force Staff Sgt. Kelly Cotton, left, checks the vital signs of a Peruvian patient at a health response team Expeditionary Medical Support mobile field hospital in Huancavelica, Peru, July 2, 2012, during New Horizons 2012. Cotton is deployed from Langley Air Force Base, Va., as part of a U.S. Southern Command-sponsored annual series of joint humanitarian assistance exercises. (U.S. Air Force photo by Staff Sgt. Michael C. Zimmerman/Released)