The term SALVAGE SHIP'S DETECTION SYSTEM can be summarized as a system that uses SONAR (Sound Navigation and Ranging) to detect objects underwater. SONAR is a technology that uses sound waves to detect objects in the water, allowing salvage ships to locate and identify objects on the seafloor. This system is used by salvage ships to locate and identify objects on the seafloor, such as sunken ships, debris, and other objects of interest.