U.S. Coast Guard on Instagram: "The Coast Guard remains vigilant along the Rio Grande River, conducting increased patrols to safeguard the U.S. southern border and maritime approaches. We continue to surge resources to interdict illegal migration and drug smuggling – wherever they move. With the help of advanced technology like unmanned aerial systems and surveillance balloons, we enhance our ability to detect and prevent illegal migration and drug smuggling along our borders. As we continue our