SAN JUAN – Thousands of individuals of all ages have received free medical services during the annual Operation Lone Star (OLS) held in various Rio Grande Valley counties from July 26-30, 2021. Operation Lone Star is a public health emergency preparedness exercise. Held annually, it 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 and Cameron County, and the City of Laredo. PSJA Early College High School was the only site available this ...