During the Battle of Britain, when airmen parachuted by the dozens and scores into the choppy waters of the English Channel, the R.A.F. was never quite satisfied with its, search & rescue gear. The keenest eyes and the most sensitive radars often missed the tiny, bobbing targets made by helmeted heads and yellow Mae Wests.
Last week, more than a dozen years after the R.A.F.'s heroic tangle with the Luftwaffe, Ultra Electric Ltd.. a London television manufacturer, announced that its engineers have finally built a reliable gadget for finding lost flyers. For more than 200 NATO delegates at the Royal Aircraft Establishment...
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