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U.S. Navy men Ralph Holt PH1, John Drew CEC, Lieutenant Dave Eyres, Lieutenant and Base Commander Dr. Bob Sparks, and Chief Scientist Dr. Willis Tressler, oceanographer, in the mess hall at Wilkes Station, Antarctica, 1958. Wilkes was one of seven U.S. research stations built for the International Geophysical Year (IGY), 1957-1958.
National Science Foundation