This measure tracks the number of dives that use imagery/video as well as other sensors that provided a multidisciplinary first-look at an unknown or poorly understood area of the ocean. These data can be collected using a variety of platforms including ROVs, AUVs, ASVs, etc. OER recognizes a distinction between exploration and characterization. Exploration is conducted using a suite of tools and techniques that provides a multidisciplinary first-look at an unknown or poorly understood area of the ocean. The outcome is intended to be sufficient to inform follow-on characterization, which provides comprehensive data for a specific area of interest of the seafloor, sub-bottom, and/or water column that supports specific research, resource management, policymaking, or applied mission objectives (this is not depth dependant unlike the mapping statistics).