The author thanks Eric Slater, Lloyd Green, Mike Goldin, Chris Neely, Mai Bui, Tony Aja, Tyler Hughen, and Chris Halle of the Marine Physical Laboratory of the Scripps Institution of Oceanography for assistance in the design, construction, and operation of the sonars used in this program. Roger Anderson, John Bitters, Andreas Heiberg, and Deane Stewart of the University of Washington provided critical assistance with the Arctic operations, as did Jay Ardai of Lamont-Doherty Geophysical Observatory. The captain and crew of the CCG des Groseilliers and the R/P FLIP provided able support and superlative hospitality. The National Science Foundation sponsored both HOME and SHEBA. FLIP’s participation in HOME and the development of the Deep-8 sonar was supported by the Office of Naval Research.
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