Capt. Edith Cardwell, far left, and Sgt. Jeremy Wiltshire, far right, take time to pose for a photo with local community members Irya and Martha Perez during Operation Lone Star (OLS) on July 28, 2016 in Pharr, Texas. Cardwell is with the 405th Combat Support Hospital (CSH) and Wiltshire is with the 399th CSH. Service members from the Texas State Guard worked alongside Soldiers from the 804th Medical Brigade, 399th CSH and 405th CSH of the U.S. Army Reserve, the Texas Department of Public Safety, the Department of State Health Services, Remote Area Medical volunteers, Cameron County Department of Human Health Services (DHHS), City of Laredo Health Department, Hidalgo County DHHS and U.S. Public Health Services during OLS, a week long real-time, large-scale emergency preparedness exercise in La Joya, Pharr, Brownsville, Rio Grande City and Laredo, Texas, July 25-29, 2016. OLS is an annual medical disaster preparedness training exercise, uniting federal, state and local health and human service providers, that addresses the medical needs of thousands of underserved Texas residents every year. (U.S. Army photo by Capt. Edith Cardwell/released)