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Open Ocean Effectiveness of the Electro-Optical Tactical Decision Aid Mark 111

Abstract : This report presents a case study of the Electro-Optical Tactical Decision Aid (EOTDA) version 3.0. Detection range data from an airborne forward- looking infrared (FLIR) sensor looking for a ship target in the open ocean off the coast of Monterey, California, are compared to the detection range predictions of the EOTDA. The results show reasonable accuracy during the clear weather portion of the tests, but the EOTDA grossly overpredicted detection ranges when a stratus cloud ceiling prevailed. The portion of the code most responsible for the overprediction is not known, but the background models are suspect. Further investigation of the water, sky, and cloud radiance models of the EOTDA is recommended, especially in the marine environment.