A Coast Guard 26-foot Over-the-Horizon Interceptor boat from Coast Guard Cutter Aspen deploys a Maritime Object Tracking Technology (MOTT) device in the San Francisco Bay during a mOTT demonstration, Jan. 17, 2018. The tool, which can be used to track contraband thrown from vessels, transmits an Automatic Identification System (AIS) signal that will display a marker on the navigation display of Coast Guard vessels. (Coast Guard

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Keywords: &, america, armed, bay, coast, defence, development, dhs, forces, francisco, guard, maritime, military, mott, object, research, san, science, service, states, technology, tracking, united, usa