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Syko Cipher Device
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. Although the German crypt analysts managed to break the SYKO code, it remained in use for much of the war as a quick method for low-level encoding of radio traffic, particularly from aircraft. Code breaking took considerable time plus a sufficient sample of messages, and for certain classes of radio traffic (such as an aircraft's position) decoded information that became available many hours later was of little value. Description The SYKO machine is a purely mechanical device. Details of its mechanical construction can be found in GB Patent 534615 (Morgan O'Brien and O'Brien Cipher Machines Ltd, London) Robust, small, and lightweight, it fitted ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great powers—forming two opposing military alliances: the Allies of World War II, Allies and the Axis powers. World War II was a total war that directly involved more than 100 million Military personnel, personnel from more than 30 countries. The major participants in the war threw their entire economic, industrial, and scientific capabilities behind the war effort, blurring the distinction between civilian and military resources. Air warfare of World War II, Aircraft played a major role in the conflict, enabling the strategic bombing of population centres and deploying the Atomic bombings of Hiroshima and Nagasaki, only two nuclear weapons ever used in war. World War II was by far the List of wars by death toll, deadliest conflict in hu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morgan Cyprian McMahon O'Brien
Morgan Cyprian McMahon O'Brien (1886–1968) was born in New Zealand to Irish parents, and was an engineer and inventor with numerous patents particularly in the area of high-street and bank security, alarm systems, and ciphers. He moved to England in 1925, and patented an advanced cipher typewriter in 1928 which has been referred to as "Britain's Enigma machine, Enigma",Intelligence and Strategy: Selected Essays, John Robert Ferris, Routledge, 2005, , 9780415361958 and just before WW2 he patented the coding device known as the Syko Cipher Device, SYKO cipher device used throughout the war by the allied air forces, and to some extent by the allied navies too. Early life Morgan O'Brien was born in Auckland on September 25, 1886 to Charles O'Brien (proprietor of the Alpha Hotel, Kihikihi) and Elizabeth. Charles was born 1855 in Youghal, County Cork, Ireland and died in 1922 in New Zealand. Although O'Brien finished high in the New Zealand civil service examinations in 1904 aged 17, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cryptanalysis
Cryptanalysis (from the Greek ''kryptós'', "hidden", and ''analýein'', "to analyze") refers to the process of analyzing information systems in order to understand hidden aspects of the systems. Cryptanalysis is used to breach cryptographic security systems and gain access to the contents of encrypted messages, even if the cryptographic key is unknown. In addition to mathematical analysis of cryptographic algorithms, cryptanalysis includes the study of side-channel attacks that do not target weaknesses in the cryptographic algorithms themselves, but instead exploit weaknesses in their implementation. Even though the goal has been the same, the methods and techniques of cryptanalysis have changed drastically through the history of cryptography, adapting to increasing cryptographic complexity, ranging from the pen-and-paper methods of the past, through machines like the British Bombes and Colossus computers at Bletchley Park in World War II, to the mathematically advance ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Royal Australian Air Force
"Through Adversity to the Stars" , colours = , colours_label = , march = , mascot = , anniversaries = RAAF Anniversary Commemoration – 31 March , equipment = , equipment_label = , battles = * Second World War * Berlin Airlift * Korean War * Malayan Emergency * Indonesia–Malaysia Confrontation * Vietnam War * East Timor * War in Afghanistan * Iraq War * Military intervention against ISIL , decorations = , battle_honours = , battle_honours_label = , flying_hours = , website = , commander1 = Governor-General David Hurley as representative of Charles III as King of Australia , commander1_label = Commander-in-Chief , commander2 = General Angus Campbell , comma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ronaldsway
Ronaldsway () is a place in the parish of Malew in the south of the Isle of Man, between the village of Ballasalla and the town of Castletown. Features It is notable as the location of Isle of Man Airport and historically of RNAS Ronaldsway, together with the adjoining customs free zone and industrial estate. The place name is derived from the Old Norse personal name ''Rǫgnvaldr'' and the Old Norse element ''vað'' meaning " ford", or alternatively ''vágr'' meaning "large, narrow bay" as in Stornoway. It is possible that the eponym of Ronaldsway is Rǫgnvaldr Guðrøðarson, King of the Isles (died 1229). The site was once a landing place for Castle Rushen and Castletown. Ronaldsway first appears on record in the '' Chronicle of Mann'', which documents an instance when Rǫgnvaldr's half-brother, Óláfr (died 1237), landed on the island in 1224, and confronted him for a share of the kingdom. Ronaldsway is the site of the Battle of Ronaldsway, fought in October 1275, in w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Ministry
The Air Ministry was a department of the Government of the United Kingdom with the responsibility of managing the affairs of the Royal Air Force, that existed from 1918 to 1964. It was under the political authority of the Secretary of State for Air. Organisations before the Air Ministry The Air Committee On 13 April 1912, less than two weeks after the creation of the Royal Flying Corps (which initially consisted of both a naval and a military wing), an Air Committee was established to act as an intermediary between the Admiralty and the War Office in matters relating to aviation. The new Air Committee was composed of representatives of the two war ministries, and although it could make recommendations, it lacked executive authority. The recommendations of the Air Committee had to be ratified by the Admiralty Board and the Imperial General Staff and, in consequence, the Committee was not particularly effective. The increasing separation of army and naval aviation from 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Admiralty (United Kingdom)
The Admiralty was a department of the Government of the United Kingdom responsible for the command of the Royal Navy until 1964, historically under its titular head, the Lord High Admiral – one of the Great Officers of State. For much of its history, from the early 18th century until its abolition, the role of the Lord High Admiral was almost invariably put "in commission" and exercised by the Lords Commissioner of the Admiralty, who sat on the governing Board of Admiralty, rather than by a single person. The Admiralty was replaced by the Admiralty Board in 1964, as part of the reforms that created the Ministry of Defence and its Navy Department (later Navy Command). Before the Acts of Union 1707, the Office of the Admiralty and Marine Affairs administered the Royal Navy of the Kingdom of England, which merged with the Royal Scots Navy and the absorbed the responsibilities of the Lord High Admiral of the Kingdom of Scotland with the unification of the Kingdom of Gr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Minesweeper
A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of the naval mine dates to the Ming dynasty.Needham, Volume 5, Part 7, 203–205. Dedicated minesweepers, however, only appeared many centuries later during the Crimean War, where they were deployed by the British. The Crimean War minesweepers were rowboats trailing grapnels to snag mines. Minesweeping technology picked up in the Russo-Japanese War, using aging torpedo boats as minesweepers. In Britain, naval leaders recognized before the outbreak of World War I that the development of sea mines was a threat to the nation's shipping and began efforts to counter the threat. Sir Arthur Wilson noted the real threat of the time was blockade aided by mines and not invasion. The function of the fishing fleet's trawlers with their trawl gear was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gibraltar
) , anthem = " God Save the King" , song = " Gibraltar Anthem" , image_map = Gibraltar location in Europe.svg , map_alt = Location of Gibraltar in Europe , map_caption = United Kingdom shown in pale green , mapsize = , image_map2 = Gibraltar map-en-edit2.svg , map_alt2 = Map of Gibraltar , map_caption2 = Map of Gibraltar , mapsize2 = , subdivision_type = Sovereign state , subdivision_name = , established_title = British capture , established_date = 4 August 1704 , established_title2 = , established_date2 = 11 April 1713 , established_title3 = National Day , established_date3 = 10 September 1967 , established_title4 = Accession to EEC , established_date4 = 1 January 1973 , established_title5 = Withdrawal from the EU , established_date5 = 31 January 2020 , official_languages = English , languages_type = Spoken languages , languages = , capital = Westside, Gibraltar (de facto) , coordinates = , largest_settlement_type = largest district , larg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
