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Word: sonar (lookup in dictionary) (lookup stats)
Dates: during 1980-1989
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Usage:

Some 40 patrol boats, torpedo boats, minesweepers, surveying ships and buzzing police launches joined in the hunt. Many of the pursuers carried highly sensitive sonar equipment. Overhead clattered ten antisubmarine helicopters, which lowered hydrophones into the water like stethoscopes. When a telltale noise was heard, a chopper or a boat would drop depth charges in an attempt to force the sub to the surface. The waters of the bay rose in explosive plumes, and the air was filled with the smell of dead fish...

Author: /time Magazine | Title: Sweden: Run Silent, Run Where? | 10/18/1982 | See Source »

Ammunition. The U.S. sold Britain an unspecified quantity of 20-mm shells and supplied sonar-equipped buoys for use in antisubmarine warfare. Washington officials will not say if any of this equipment was ever used on the islands...

Author: /time Magazine | Title: Just How Much Did the U.S. Help? | 6/28/1982 | See Source »

Defense against such weapons is, as the sinking of the Sheffield and General Belgrano attest, not easy. Modern torpedoes like the Tigerfish can be avoided only by throwing out decoys like big air bubbles, using acoustic countermeasures like sonar jamming or, better yet, sinking the attacking submarine. But deep-diving nuclear attack submarines and the noiseless Tigerfish are hard to detect until it is too late. Similarly, the Sea Skua and Exocet antiship missiles are almost impossible to evade. A would-be victim can use electronic countermeasures like radar jamming to confuse the attacking missile's guidance system...

Author: /time Magazine | Title: The Falklands: Battle of the Microchips | 5/17/1982 | See Source »

...which the navy planned to use as minesweepers in the vicinity of the Falklands. The trawlers are better suited to the cold waters of the South Atlantic than the navy's minesweepers. Moreover, the fishing boats are designed to travel long distances and are equipped with fish-detecting sonar equipment that is also capable of tracking enemy ships. One of the trawlers hastily unloaded a cargo of mackerel last week, then left for the battle zone...

Author: /time Magazine | Title: The Falklands: The Queen Is Hailed | 5/17/1982 | See Source »

DIED. Gaylord Harnwell, 78, scientific administrator and former president of the University of Pennsylvania; of a stroke; in Haverford, Pa. During World War II, Harnwell, a Princeton-trained physicist, coordinated research on sonar, for which he was honored by the Navy. As Penn's president from 1953 to 1970, he revived the university by upgrading the liberal arts college, improving research and faculty, and increasing the endowment...

Author: /time Magazine | Title: Milestones: May 3, 1982 | 5/3/1982 | See Source »

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