Workers construct barrier panels on top of a retaining

Workers construct barrier panels on top of a retaining near Yuma, Arizona, January 22, 2020. The U.S. Army Corps of Engineers, South Pacific Border District is providing contracting services, including design and construction oversight, of Department of Defense-funded Southwest border barrier projects in California, Arizona, New Mexico and Texas at the direction of the Administration and at the request of Department of Homeland Security, Customs and Border Protection (no one in this photo crossed the international border).