The German Feldpost number (FPN) (German: Feldpostnummer) was a sort of postcode used for items sent by either military mail or airmail. Every unit had its own code.
During World War II, the FPN usually consisted of five digits. The system began with 00 001 and ended with the 80 000 numbers. Six digit codes were used prior to the beginning of the war as exercise post numbers (German: Übungspostnummern), and during it as collective post numbers (German: Sammel-Feldpostnummern) for places with a higher concentration of troops, such as 123 321 for Festung Posen.
Letters following the digits indicated under which command the recipient was, for instance operation headquarters or companies, while letters preceding the numbers stood for the following:
The letter A generally signified headquarters company, the others stood for line companies. The sequence of a Feldpost number did not necessarily mean that the location of the units were at the same area. It was not unusual for the same feldpost number to be used for different units throughout the war. As one unit would be destroyed, then the number might have been reallocated at a later date.
The reason behind the FPN was to keep the location of troops and certain divisions secret. Relatives received the respective FPN of the soldier through messaging cards (German: Benachrichtigungskarten) which allowed for their mail to reach the soldier in the reasonable time of about two weeks.
Dog tag is an informal but common term for a specific type of identification tag worn by military personnel. The tags' primary use is for the identification of casualties; they have information about the individual written on them, including identification and essential basic medical information such as blood type and history of inoculations. They often indicate religious preference as well.
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A ZIP Code is a postal code used by the United States Postal Service (USPS). Introduced on July 1, 1963, the basic format consisted of five digits. In 1983, an extended ZIP+4 code was introduced; it included the five digits of the ZIP Code, followed by a hyphen and four digits that designated a more specific location.
Postal codes used in the United Kingdom, British Overseas Territories and Crown dependencies are known as postcodes. They are alphanumeric and were adopted nationally between 11 October 1959 and 1974, having been devised by the General Post Office. A full postcode is known as a "postcode unit" and designates an area with several addresses or a single major delivery point.
Fort Riley is a United States Army installation located in North Central Kansas, on the Kansas River, also known as the Kaw, between Junction City and Manhattan. The Fort Riley Military Reservation covers 101,733 acres (41,170 ha) in Geary and Riley counties. The portion of the fort that contains housing development is part of the Fort Riley census-designated place, with a residential population of 7,761 as of the 2010 census. The fort has a daytime population of nearly 25,000. The ZIP Code is 66442.
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Feldpost is the German military mail service. Its history dates back to the 18th century in the Kingdom of Prussia during the Seven Years' War and War of the Bavarian Succession and has existed ever since in different forms and shapes.
The Ghost Army was a United States Army tactical deception unit during World War II officially known as the 23rd Headquarters Special Troops. The 1100-man unit was given a unique mission: to deceive Hitler's forces and mislead them as to the size and location of Allied forces, while giving the actual units elsewhere time to maneuver. Activated on January 20, 1944, the Ghost Army arrived in Europe in May shortly before D-Day and returned to the US at the end of the war in July 1945. During their tenure, the Ghost Army carried out more than 20 deception campaigns, putting on a "traveling road show" utilizing inflatable tanks, sound trucks, fake radio transmissions, scripts and pretense.
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General der Nachrichtenaufklärung was the signals intelligence agency of the Heer, before and during World War II. It was the successor to the former cipher bureau known as Inspectorate 7/VI in operation between 1940 and 1942, when it was further reorganised into the Headquarters for Signal Intelligence between 1942 and 1944, until it was finally reorganised in October 1944 into the GdNA. The agency was also known at the OKH/Gend Na, GendNa or Inspectorate 7 or more commonly OKH/GdNA. Inspectorate 7/VI was also known as In 7 or In/7 or In 7/VI and also OKH/Chi.
The use of markings on British military vehicles expanded and became more sophisticated following the mass production and mechanization of armies in World War II.