Sample Collection An airman collects a sample during a mass rapid oral fluid COVID-19 testat Joint Base Langley-Eustis, Va., June 2, 2020. The base’s efforts align with the Centers for Disease Control and Prevention, White House and Defense Department testing recommendations and will help the community understand the prevalence of asymptomatic cases in this sample population, officials said. SHARE IMAGE: Download Image: Full Size (1.26 MB) Photo By: Air Force Airman 1st Class Sarah Dowe VIRIN: 200602-F-PE983-1509M.JPG Photo Gallery