U.S. Air Force Capt. Chuck Henderson (right) interacts with a patient at the Instituto Nacional de Acajutla medical site in Acajutla, El Salvador, during Continuing Promise 2011 on July 17, 2011. Continuing Promise is a regularly scheduled mission to countries in Central and South America and the Caribbean, where the U.S. Navy and its partnering nations work with host nations and a variety of governmental and nongovernmental agencies to train in civil-military operations.