Cryptanalysis of the Enigma by the letters on the top row of the Enigma keyboard. So, "continuation of message sent at 2330" was represented as "FORTYWEEPYYWEEPY". "Cribs" were fundamental to the British approach to solving Enigma keys, but guessing the plaintext for a message was a highly skilled business. So in 1940 Stuart Milner-Barry set up a special "Crib Room" in Hut 8. Foremost amongst the knowledge needed for identifying cribs was the text of previous decrypts. Bletchley Park maintained detailed indexes of message preambles, of every person, of every ship, of every unit, of every weapon, of every technical term and of repeated
Evacuation of the Gibraltarian civilian population during World War II Evacuation of the Gibraltarian civilian population during World War II The British Government's decision to enforce a mass evacuation of the civilian population during the Second World War from the Crown colony of Gibraltar, in order to increase the strength of The Rock with more British Armed Forces personnel, meant that most Gibraltarians (some for up to ten years) were forced to be away from Gibraltar and did not have a place they considered to be home. Only those civilians with essential jobs were allowed to stay. However, this event gave the entire community a heightened sense of "Britishness" by