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The SYKO cipher device was a compact British cipher apparatus in use during World War II. It was invented and patented by Morgan O'Brien before the war. O'Brien developed a sophisticated cipher typewriter, which was complex and delicate, but then came up with the relatively simple device adopted by the military that was known the SYKO.
Cryptography was used extensively during World War II because of the importance of radio communication and the ease of radio interception. The nations involved fielded a plethora of code and cipher systems, many of the latter using rotor machines. As a result, the theoretical and practical aspects of cryptanalysis, or codebreaking, were much ...
This was a naval code used by merchant ships (commonly known as the "maru code"), [22] broken in May 1940. 28 May 1941, when the whale factory ship Nisshin Maru No. 2 (1937) visited San Francisco, U.S. Customs Service Agent George Muller and Commander R. P. McCullough of the U.S. Navy's 12th Naval District (responsible for the area) boarded her ...
This is a list of known World War II era codenames for military operations and missions commonly associated with World War II. As of 2022 [update] this is not a comprehensive list, but most major operations that Axis and Allied combatants engaged in are included, and also operations that involved neutral nation states.
The list of Axis named operations in the European Theatre represents those military operations that received a codename, predominantly from the Wehrmacht commands. It does not represent all operations that were carried out by the Axis powers, or their allies in the European Theatre during the Second World War.
Kenji Kawano has been photographing the Navajo code talkers, America's secret weapon during WWII, for 50 years. It all started in 1975 with a chance encounter that would take over his life.
The poem code is a simple and insecure, cryptographic method which was used during World War II by the British Special Operations Executive (SOE) to communicate with their agents in Nazi-occupied Europe. The method works by having the sender and receiver pre-arranging a poem to use. The sender chooses a set number of words at random from the ...
Code words used by the Royal Air Force during the Second World War: Angels – height in thousands of feet. Balbo – a large formation of aircraft. [1] Bandit – identified enemy aircraft. Bogey – unidentified (possibly unfriendly) aircraft. Buster – radio-telephony code phrase for 'maximum throttle' or full power climb.