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Coral reef surveys were conducted at Farallon de Medinilla (FDM) September 27 – October 1, 2017 by Space and Naval Warfare (SPAWAR) Systems Center Pacific, Scientific Diving Services (SDS) to satisfy requirements of the Mariana Islands Training and Testing Area Biological Opinion (MITT BO) issued by the National Marine Fisheries Service in 2015 (NMFS 2015). The primary objectives of this survey were to quantify the abundance and location around the island of Endangered Species Act (ESA)-listed corals, quantify coral reef health (percent cover of living coral, coral species composition, and coral condition), and compile observations of ordnance impacts