U.S. Army Reserve Maj. Dmitry Pervistky, right, a bio-chemist with the 773rd Civil Support Team, 7th Mission Support Command, from Kaiserslautern, Germany, explains Novel Coronavirus lab procedures to Sgt. Kyle Reitnauer, lab technician with 2nd Armored Brigade Combat Team, 3rd Infantry Division, at Drawsko Pomorskie Training Area, Poland, April 17, 2020. A team of four Soldiers from the 773rd CST is charged with testing incoming personnel to ensure they are not introducing COVID to a relatively COVID-free environment. (U.S. Army Reserve photo by Staff Sgt. Chris Jackson/Released)