Cryptanalysis of the Enigma Bletchley Park to describe the network that used the same Enigma setting sheets. Initially these were recorded using coloured pencils and were given the names "red", "light blue" etc., and later the names of birds such as "kestrel". During World War II the settings for most networks lasted for 24 hours, although towards the end of the war, some were changed more frequently. The sheets had columns specifying, for each day of the month, the rotors to be used and their positions, the ring positions and the plugboard connections. For security, the dates were in reverse chronological order down the
Monument to the Dead of World War II Monument to the Dead of World War II The Monument to the Dead of World War II (), also the Monument to the Brazilian Soldiers of World War II, commemorates Brazil's participation and losses in the Second World War (WWII). It is located in Flamengo Park (also known as "Aterro do Flamengo" and "Parque Eduardo Gomes") on Guanabara Bay, in the Flamengo neighborhood of Rio de Janeiro, Brazil. The below grade mausoleum holds the remains of 467 servicemen of the Brazilian Expeditionary Force who died in action in Italy during World War II. They were buried at the Brazilian Military