PACIFIC OCEAN (Sept. 15, 2023) Sailors debark a rigid-hull inflatable boat onto the unmanned surface vessel Mariner in the Pacific Ocean 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)