— Reports of launching or retrieving boats from unusually remote areas

— Reports involve aircraft dropping objects at night near harbors, ports or commercial airways

— Reports of abandoned small boats found adrift near sensitive sights

— Reports or incidents of unusual or unidentified floating objects near vessels or in harbors, ports or commercial waterways

— Evidence suggesting trends or patterns in terrorist-related hoaxes or threat reporting dealing with mines or floating IEDds

— Reports of suspicious requests for hydrographic charts associated with naval or commercial port facilities

— Reports of attempts to purchase or steal large magnets, large styrofoam blocks, large diameter PVC pipe, empty compressed gas cylinders or watertight storage drums.