Oceaneering International, Inc. announced that its Aerospace and Defense Technologies (ADTech) business segment has been awarded a contract by the Defense Innovation Unit (DIU), a U.S. Department of Defense organization, for the development and testing of the Freedom Autonomous Underwater Vehicle (AUV) as a potential Large Displacement Unmanned Undersea Vehicle (LDUUV) prototype for the U.S. Navy’s Program Office for Advanced Undersea Systems.