An ocean current is a continuous, directed movement of seawater generated by forces acting upon this mean flow, such as breaking waves, wind, the Coriolis effect, cabbeling, temperature and salinity differences, while tides are caused by the gravitational pull of the Sun and Moon.
RDDs - Radar Detector Detectors, All Acronyms, viewed April 15, 2017, <https://www.allacronyms.com/RDDS/Radar_Detector_Detectors>.
Raytheon's Ship Self-Defense System (SSDS) is an open, distributed combat management system for surface ships designed to expedite the detect-to-engage sequence to defend against ASCMs. SSDS links and automates standalone sensors and weapon systems to provide the required combat reaction.hip Self-Defense System (SSDS). Around the world, navy ships protect national security by being the first line of response in forward-presence and power-projection missions.