it just the arrogance of youth believing that increasing volume, speed and complexity change everything and they should throw away the past in favour of the latest untried technobabble. If so, they may well face the equivalent of a re-run of the Battle of Chancellorsville as they turn victory into defeat and not the first Battle of the Falkland Islands. No TrackBacks 2 Comments If we could just edge our way, Philip, into the 1940s we might recall Hedy Lamaar, " the most beautiful woman in the world ", and her invention of frequency-hopping, patented in 1942 but not used by the US military until 1962 and the Bay of Pigs. Today FHSS frequency-hopping spread spectrum technology keeps a lot of our wireless devices communicating. They just don't make signals officers like that any more.