As a Navy submarine officer, you may operate this, the sub's main method of detecting other undersea objects
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main content .... got with underwater drone technology; it is known that the 
Russian navy ..... And what you are not able to do with drones is get them to 
work ... laser-based techniques for finding objects underwater; for the time... [DOC] [TLE] Effects of using inclined parametric echosounding on sub-bottom ... [PAR] Dec 9, 2015 ... Sub-bottom echosounders currently represent the state-of-the-art systems ... work 
or naval mine hunting are concerned with the detection of ...