Word: sonar
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Dates: during 1970-1979
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...commercial whaling ships, the blues have multiplied like oceanic rabbits to a total somewhere between 10,000 and 17,000. Though some oceanographers were surprised at the speed of the whales' return, Robert Miller of the Fisheries Service explained: "The blues, like other whales, have built-in sonar equipment and apparently use it over long distances for underwater communications, with certain signals for different activities"-among them a mating call...
...circumstantial support. For one thing, there had been earlier Norwegian reports of six red rockets being launched from the fjord; defense spokesmen said that such pyrotechnics are a normal method of communication between submarines wishing to avoid radio contact. For another, Norwegian officials disclosed that patrols had made strong sonar contacts with at least one submarine trying to leave the fjord on the night that Radio Tirana asserts both subs did depart...
Moscow shed no light on the puzzle. Before the Albanian explanation but after Norwegian vessels had dropped depth charges in response to positive sonar soundings, Tass called the air-sea hunt "just an expression of the usual war hysteria in the West." Perhaps significantly, though, at no time did the Kremlin specifically deny that a Soviet sub-or subs-might have been inside Norwegian waters. At week's end, the mystery remained at least as deep as Sogne Fjord's 600 fathoms...
Besides ARPA. BBN is also involved in acoustics research for the Navy, a North Cambridge Vietnam Committee spokesman said yesterday. The company helped develop the MK-48 torpedo, whose automatic sonar system was later used in the mines dropped into North Vietnamese harbors last spring, he added...
Still, a question remains: If they were not echoes from a living thing, what did cause the strange traces on Rines' sonar...