Science: The Electronic Arsenal

Military electronics came of age in 1940 when British defense forces used bulky, primitive radars to spot fleets of approaching Luftwaffe bombers in time for R.A.F. interceptors to knock them out of the sky. Ever since, scientists have been busily expanding the world's electronic arsenals—while colleagues have been just as busy devising electronic countermeasures. The ingenuity and success of both efforts have been demonstrated in the skies and battlefields of Southeast Asia and the Middle East. The time-tested tactical adage that urges field commanders to "take the high ground" has now been all...

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