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Theft Of The Black Code
The Black Code (more formally, Military Intelligence Code No. 11) was a secret code used by US military attachés in the early period of World War II. The nickname derived from the color of the superencipherment tables/ codebook binding. The code was compromised by Axis intelligence, the information leak costing a great many British lives. Theft of the Black Code Unknown to the U.S. government, details of the Black code were stolen from the U.S. embassy in Italy by Italian spies in September 1941. Embassy worker Loris Gherardi took copies of the embassy keys. These were passed on to the Italian Military Intelligence Service, who were able to break in, copy, and replace the documents. The Italians did not pass on the full code to the Chiffrierabteilung, their German counterparts, only providing limited information such as decoded American messages. However, the limited information still assisted the Germans in their own independent efforts and they too were able to crack the Blac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Attachés
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct military uniform. It may consist of one or more military branches such as an army, navy, air force, space force, marines, or coast guard. The main task of the military is usually defined as defence of the state and its interests against external armed threats. In broad usage, the terms ''armed forces'' and ''military'' are often treated as synonymous, although in technical usage a distinction is sometimes made in which a country's armed forces may include both its military and other paramilitary forces. There are various forms of irregular military forces, not belonging to a recognized state; though they share many attributes with regular military forces, they are less often referred to as simply ''military''. A nation's military may f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the east by the Levant. The Sea has played a central role in the history of Western civilization. Geological evidence indicates that around 5.9 million years ago, the Mediterranean was cut off from the Atlantic and was partly or completely desiccated over a period of some 600,000 years during the Messinian salinity crisis before being refilled by the Zanclean flood about 5.3 million years ago. The Mediterranean Sea covers an area of about , representing 0.7% of the global ocean surface, but its connection to the Atlantic via the Strait of Gibraltar—the narrow strait that connects the Atlantic Ocean to the Mediterranean Sea and separates the Iberian Peninsula in Europe from Morocco in Africa—is only wide. The Mediterranean ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Intelligence
Military intelligence is a military discipline that uses information collection and analysis approaches to provide guidance and direction to assist commanders in their decisions. This aim is achieved by providing an assessment of data from a range of sources, directed towards the commanders' mission requirements or responding to questions as part of operational or campaign planning. To provide an analysis, the commander's information requirements are first identified, which are then incorporated into intelligence collection, analysis, and dissemination. Areas of study may include the operational environment, hostile, friendly and neutral forces, the civilian population in an area of combat operations, and other broader areas of interest. Intelligence activities are conducted at all levels, from tactical to strategic, in peacetime, the period of transition to war, and during a war itself. Most governments maintain a military intelligence capability to provide analytical and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hiroshi Ōshima
Baron was a general in the Imperial Japanese Army, Japanese ambassador to Germany before and during World War II and (unwittingly) a major source of communications intelligence for the Allies. His role was perhaps best summed up by General George C. Marshall, who identified Ōshima as "our main basis of information regarding Hitler's intentions in Europe". After World War II, he was convicted of war crimes and sentenced to life imprisonment, but was paroled in 1955. Biography Early life Ōshima came from a provincial low ranking samurai family from Gifu Prefecture. His father a known Germanophile, a trait the future ambassador to Berlin would inherit, nevertheless rose up the ranks and eventually served as Army Minister from 1916 to 1918, ironically waging war against Imperial Germany. Much was thus expected of the young Ōshima and his rise in the Imperial Army structure was swift. He graduated from the Imperial Japanese Army Academy in June 1905, the 18th of his class, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alfred McCormack
Colonel Alfred McCormack, CBE (1901-1956), was a trained attorney of Cravath, Swaine & Moore who during and after World War II served in the US Military Intelligence Service, where he proved crucial in developing military analysis of cryptographic intercepts in Operation Magic. Background Alfred T. McCormack was born on January 13, 1901, in Brooklyn, New York. In 1921, he graduated Phi Beta Kappa from Princeton University and in 1925 received a law degree from Columbia University in 1921. Career In 1926, McCormack clerked for Supreme Court Justice Harlan Fiske Stone. Later that year, he joined a Wall Street law firm of Cravath, de Gersdorff, Swaine and Wood (whose name became Cravath, Swaine & Moore in 1944), where he became a partner in 1935. In June 1942, McCormack received a commission as colonel in the US Military Intelligence Service, known as the Military Intelligence Corps as part of the US Department of War's general staff. He became deputy chief of a special intellig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SIGABA
In the history of cryptography, the ECM Mark II was a cipher machine used by the United States for message encryption from World War II until the 1950s. The machine was also known as the SIGABA or Converter M-134 by the Army, or CSP-888/889 by the Navy, and a modified Navy version was termed the CSP-2900. Like many machines of the era it used an electromechanical system of rotors to encipher messages, but with a number of security improvements over previous designs. No successful cryptanalysis of the machine during its service lifetime is publicly known. History It was clear to US cryptographers well before World War II that the single-stepping mechanical motion of rotor machines (e.g. the Hebern machine) could be exploited by attackers. In the case of the famous Enigma machine, these attacks were supposed to be upset by moving the rotors to random locations at the start of each new message. This, however, proved not to be secure enough, and German Enigma messages were freque ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Signals Intelligence Service
The Signal Intelligence Service (SIS) was the United States Army codebreaking division through World War II. It was founded in 1930 to compile codes for the Army. It was renamed the Signal Security Agency in 1943, and in September 1945, became the Army Security Agency. For most of the war it was headquartered at Arlington Hall (former campus of Arlington Hall Junior College for Women), on Arlington Boulevard in Arlington, Virginia, across the Potomac River from Washington (D.C.). During World War II, it became known as the Army Security Agency, and its resources were reassigned to the newly established National Security Agency (NSA). History The Signal Intelligence Service was a part of the U.S. Army Signal Corps for most of World War II. At that time the Signal Corps was a bureau in the Headquarters, Department of the Army, in addition to being a branch of the Army to which personnel were commissioned or appointed. The Signal Corps supplied the Army with communications and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Erwin Rommel
Johannes Erwin Eugen Rommel () (15 November 1891 – 14 October 1944) was a German field marshal during World War II. Popularly known as the Desert Fox (, ), he served in the ''Wehrmacht'' (armed forces) of Nazi Germany, as well as serving in the ''Reichswehr'' of the Weimar Republic, and the army of German Empire, Imperial Germany. Rommel was a highly decorated officer in World War I and was awarded the ''Pour le Mérite'' for his actions on the Italian Front (World War I), Italian Front. In 1937, he published his classic book on military tactics, ''Infantry Attacks'', drawing on his experiences in that war. In World War II, he commanded the 7th Panzer Division (Wehrmacht), 7th Panzer Division during the Battle of France, 1940 invasion of France. His leadership of German and Italian forces in the North African campaign established his reputation as one of the ablest tank commanders of the war, and earned him the nickname ''der Wüstenfuchs'', "the Desert Fox". Among hi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siege Of Malta (World War II)
The siege of Malta in World War II was a military campaign in the Mediterranean and Middle East theatre of World War II, Mediterranean Theatre. From June 1940 to November 1942, the fight for the control of the strategically important island of the British Empire, British Crown Colony of Malta pitted the air and naval forces of Kingdom of Italy, Fascist Italy and Nazi Germany against the Royal Air Force (RAF) and the Royal Navy. The opening of a North African Campaign, new front in North Africa in June 1940 increased Malta's already considerable value. British air and sea forces based on the island could attack Axis powers, Axis ships transporting vital supplies and reinforcements from Europe; Churchill called the island an "unsinkable aircraft carrier". General Erwin Rommel, de facto field command of Axis forces in North Africa, recognised its importance quickly. In May 1941, he warned that "Without Malta the Axis will end by losing control of North Africa". The Axis resolved ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bonner Fellers
Brigadier General Bonner Frank Fellers (February 7, 1896 – October 7, 1973) was a United States Army officer who served during World War II as a military attaché and director of psychological warfare. He is notable as the military attaché in Egypt whose extensive transmissions of detailed British tactical information were unknowingly intercepted by Axis agents and passed to Nazi German ''Generalfeldmarschall'' Erwin Rommel for over six months, which contributed to disastrous British defeats at Gazala and Tobruk in June 1942. Early military career Fellers entered the United States Military Academy at West Point, New York in June 1916, ten months before the American entry into World War I. The increased need for junior officers during World War I caused Fellers's class to be accelerated and to graduate on November 1, 1918, ten days before the armistice with the German ''Reich'' which ended the war. Upon his graduation, Fellers was commissioned as a second lieutenant in the Uni ... [...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] |
Chiffrierabteilung
The Cipher Department of the High Command of the Wehrmacht (german: Amtsgruppe Wehrmachtnachrichtenverbindungen, Abteilung Chiffrierwesen) (also ''Oberkommando der Wehrmacht Chiffrierabteilung'' or ''Chiffrierabteilung of the High Command of the Wehrmacht'' or ''Chiffrierabteilung of the OKW'' or ''OKW/Chi'' or ''Chi'') was the Signal Intelligence Agency of the Supreme Command of the Armed Forces of the German Armed Forces before and during World War II. OKW/Chi, within the formal order of battle hierarchy OKW/WFsT/Ag WNV/Chi, dealt with the cryptanalysis and deciphering of enemy and neutral states' message traffic and security control of its own key processes and machinery, such as the rotor cipher machine ENIGMA machine. It was the successor to the former Chi bureau (german: Chiffrierstelle) of the Reichswehr Ministry. Short name The letter "Chi" for the ''Chiffrierabteilung'' ("cipher department") is, contrary to what one might expect, not the Greek letter Chi , nor anythin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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