U.S. Coast Guard dive team members operate a remote sonar system while another team member manages the system's tether during an underwater hazardous device sweep in the Upper Bay near Bayonne, New Jersey, July 1, 2026. The sonar system assists dive teams in detecting underwater objects and determining their approximate location and depth during maritime security preparations for Sail 250. (U.S. Coast Guard photo by Petty Officer 3rd Class Marco A. Gutierrez Rosales)