U.S. Army Col. Robert Tyscko, an optometrist with Task Force Northstar, performs an eye exam on a local woman, May 14, during Beyond the Horizon’s Medical Readiness Training Exercise at Ciudad Arce. Tyscko is a native of Amherst, N.H., and is assigned to the New Hampshire National Guard’s Medical Detachment, Concord, N.H. El Salvador’s BTH 2015 mission is to provide civic and humanitarian assistance to the people of El Salvador, such as constructing schools and providing medical support. (U.S. Army photo by Staff Sgt. Joseph Vine, 366th MPAD)