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BATHYSCAPHE, SUBMERSIBLE, MANIPULATOR, EXPLORATION, CHALLENGER, NAVIGATION, REMOTELY, OPERATED, PRESSURE, VIEWPORT, THRUSTER, ACOUSTIC, SEDIMENT, SPECIMEN, RESEARCH, SCRUBBER, BUOYANCY, NAUTILUS, TRIESTE, VEHICLE, DEEPSEA, MARIANA, BALLAST, DESCENT, IMAGING, SENSORS, MAPPING, MISSION, TORPEDO, TRENCH, ASCENT, TETHER, CAMERA, LIGHTS, SAMPLE, OXYGEN, SONAR, ALVIN, CABLE, HULL, ROV