New sonar research being performed by the Georgia Tech Research Institute (GTRI) could improve the Navy’s ability to find sea mines deep under water. (U.S. Navy)
Torpedo-shaped autonomous underwater vehicles (AUVs) are used to map swaths of the sea floor with sonar sensors. (Daniel Cook)
Synthetic aperture sonar produced this image of a World War II airplane that crashed into the ocean. (Daniel Cook)
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