A U.S. Border Patrol Horse Patrol Unit trainer works with a horse to prepare it for field operations at the U.S. Border Patrol McAllen Station in McAllen, Texas, Oct. 29, 2025. U.S. Border Patrol works alongside the Coast Guard during Operation River Wall to secure and defend approximately 260 miles of the Rio Grande River. (U.S. Coast Guard photo by Petty Officer Third Class Mason Svitenko)