SYDNEY (Oct 24, 2023) The unmanned surface vessel Ranger transits underneath the Sydney Harbour Bridge during a scheduled port visit for Integrated Battle Problem (IBP) 23.2, Oct 24, 2023. IBP 23.2 is a Pacific Fleet exercise to test, develop and evaluate the integration of unmanned platforms into fleet operations to create warfighting advantages. (U.S. Navy photo by Ensign Pierson Hawkins)