Coast Guard Petty Officer 2nd Class Joseph Zimmermann, an electronics technician assigned to Coast Guard Cutter George Cobb (WLM 564), explains how the cutter crew maintains aids to navigation offshore Ventura, California, July 14, 2026. The cutter's crew conducts routine maintenance, repairs and replaces buoys that provide critical navigational information for mariners along the California coast. (U.S. Coast Guard video by Petty Officer 3rd Class Roberto Nieves Felix)