Radar System Soldiers complete a training and validation exercise on the AN/TPQ-53 radar system in Sierra Vista, Ariz., March 12, 2025. The AN/TPQ-53 radar system is a unique military capability provided by Joint Task Force-Southern Border to augment U.S. Customs and Border Protection along the southern border. SHARE: Download: Full Size (1.35 MB) Tags: Southern Border Credit: Army Sgt. Chase Murray VIRIN: 250312-A-OX940-1171.JPG Photo Gallery