A U.S. Air Force KC-46A Pegasus aircraft, registered as 20-46078 with hex code AE63BA and call code ZPHYR50, was observed over South Head. The aircraft departed from Travis Air Force Base. The observation occurred within the past hour, between 10:15 PM UTC and 11:15 PM UTC on September 11th, 2025. This event is part of ongoing global air traffic monitoring. No further details regarding the purpose of the flight or its specific activities over South Head were provided in the source.