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Don Walsh
Don Walsh (born November 2, 1931) is an American oceanographer, explorer and marine policy specialist. He and Jacques Piccard were aboard the bathyscaphe ''Trieste'' when it made a record maximum descent into the Mariana Trench on January 23, 1960, the deepest point of the world's oceans. The depth was measured at , but later and more accurate measurements have measured it at 35,798 feet (10,911 m).
==Biography==
Walsh has been associated with ocean science, engineering, and marine policy for more than 50 years. He was commissioned as an officer in the United States Navy upon graduation from the United States Naval Academy in 1954. He attained the rank of Captain by the time he retired. He spent 15 years at sea, mostly in submarines, and was a submarine commander. He worked with ocean-related research and development for the Navy. Serving as Dean of Marine Programs and Professor of Ocean Engineering at the University of Southern California, Walsh initiated and directed the university's Institute for Marine and Coastal Studies. In 1989 his company, International Maritime Incorporated, contracted a joint venture with the P.P. Shirshov Institute of Oceanology to establish an underwater maintenance company, Soyuz Marine Service, which continues to operate in the Russian Federation.
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