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'''Sonar''' is a system that transmits and receives [[sound]] waves underwater in order to locate submerged objects, such as submarines, or detect the distance to the coral reefs and other underwater obstacles. The term originally developed as an acronym for '''SO'''und '''N'''avigation '''A'''nd '''R'''anging, although in modern usage, "sonar" now functions as an independent term.
'''Sonar''' is a system that transmits and receives [[sound]] waves underwater in order to locate submerged objects, such as submarines, or detect the distance to the coral reefs and other underwater obstacles. The term originally developed as an acronym for '''SO'''und '''N'''avigation '''A'''nd '''R'''anging, although in modern usage, "sonar" now functions as an independent term.
[[category:military]]
[[Category:Military]]