NAVAL BASE SAN DIEGO (March 7, 2024) Long-range unmanned surface vessels (LRUSVs) transit the Pacific Ocean during the Integrated Battle Problem (IBP) 24.1, March 7, 2024. IBP 24.1 is a U.S. Pacific Fleet experiment, executed by U.S. 3rd Fleet, operationalizing multi-domain employment of unmanned systems to create fleet warfighting advantages. (U.S. Navy photo by Ian Delossantos)