Word: underseas
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...method of undersea detection, highly developed in World War II, employing easily focused high-frequency sound waves near the upper edge of the audible range. A large object in the water sends back an echo; its distance from the submarine is computed by timing the echo...
...week's end, Gonzalez faced what he called another Communist attempt to oust his government. At the undersea coal mines at Lota, south of Santiago, hundreds of strikers (according to official reports) tried to seize the mines. There were also walkouts in the nitrate and copper mines of northern Chile. Again moving quickly, Gonzalez sent armed forces into six strike-hit provinces with orders to take over mines and communications and isolate the strike areas...
Chile's mountain riches will supply the raw materials: ore from Bethlehem's El Tofo mines, 500 miles up the coast; coal from the undersea veins of nearby Lota; power from Fomento's hydroelectric plant at neighboring El Abánico. Only limestone has been a problem. To get it, a crew of 130 men, with rat-hungry cats, is now setting up installations on rainy, rat-infested Madre de Dios Island, 900 miles down the coast...
Such are the implications of Morison's new book, "The Battle of the Atlantic," volume one of a 13-tome history of the U.S. Navy's role in World War II. This pre-declaration-of-war phase was the battle of the convoy versus the undersea wolf, and Morison tells how close the wolves came to starving out their English prey...
...successive editions Morison plans to deal with the Navy in the Pacific, where, he pointed out yesterday, the U.S. itself had an opportunity to utilize the undersea boat...