During a mine countermeasures demonstration, a 55-gallon drum was placed at the base of a bridge stanchion to simulate an underwater improvised explosive device/mine. The new object identified in the "After" sonar imagery above is the 55-gallon drum. A drum of this size filled with explosives and a detonating mechanism would be enough to destroy the stanchion resulting in bridge collapse. Using methods of change detection as illustrated in the animation, underwater threats can be identified for engagement and neutralization.
Underwater Survey and Inspection
Using state-of-the-art towed and autonomous underwater survey equipment, Orca Maritime provides high resolution sonar imagery of horizontal and vertical surfaces, conductivity/depth/temperature data, and localization of underwater features, objects, and infrastructure. Upon completing the survey, Orca Maritime will produce a geodetically accurate mosaic of the bottom to support bottom characterization, port planning, environmental clean-up, or waterfront development.