U.S. Army Lt. Col. Samuel Roberts (right), commander of the Marietta-based 4th Civil Support Team, 201st Regional Support Group, Georgia Army National Guard, briefs Jorge Martín Arturo Argüello, the Argentinian ambassador to the U.S., Oct. 19, 2021, at the unit’s headquarters at Clay National Guard Center in Marietta, Georgia. Roberts explained unit’s roles and capabilities as part of the Georgia National Guard.