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Deep Dive into Engineering the World’s Most Advanced ROV System

In August 2017 a research group led by explorer and philanthropist Paul G. Allen used ultra-high-tech underwater equipment to locate the wreckage of the USS Indianapolis, a ship that sank in the final days of WWII after it was struck by Japanese torpedoes. The discovery was made by Mr. Allen’s company, Vulcan Inc., using a new expedition ship it acquired for the purpose of seabed discovery—the RV Petrel.

Petrel was outfitted with cutting-edge technologies, including an autonomous underwater vehicle (AUV), which uses side-scan sonar to locate objects on the seabed, and a remotely operated vehicle (ROV) for further investigation and video documentation.

While AUVs and ROVs are becoming more common, the USS Indianapolis was discovered at a depth of nearly 6,000 m, and technologies suitable for robust research at great depth can be hard to find.

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