Dusty Terrain Army Sgt. Arnold De la Riva, left, assigned to Joint Task Force Southern Border, talks to a Border Patrol agent before a joint dismounted patrol in Wellton, Ariz., Aug. 1, 2025. Dismounted patrols enable soldiers and agents to detect suspicious patterns along austere border terrain. SHARE: Download: Full Size (1.23 MB) Tags: army, border support Credit: Army 2nd Lt. Erica Esterly VIRIN: 250801-A-EE188-1015P.JPG Photo Gallery