PACIFIC OCEAN (Sept. 16, 2023) The Lewis and Clark-class dry cargo and ammunition ship USNS Charles Drew (T-AKE 10) transits the Pacific Ocean with the unmanned surface vessels Ranger, top right, and Mariner, bottom, during Integrated Battle Problem (IBP) 23.2, Sept. 16, 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 Mass Communication Specialist 2nd Class Jesse Monford)