Special to the AdvanceSAN JUAN — Thousands of community members of all ages received free medical, dental, and vision services during Operation Border Health Preparedness (OBHP) held at PSJA Early College High School and various Rio Grande Valley counties July 24-28.Operation Border Health Preparedness is a public health emergency preparedness exercise to help the community get ready for disasters. The event is a joint collaborative effort between local, state, federal, and private partners, including PSJA ISD, Hidalgo County, Texas Department of State Health Services, Texas Military Forces, Remote Area Medical Volunteer Corps, as well as health departments from Hidalgo County.PSJA ...