Search results
Results From The WOW.Com Content Network
World War II cryptography. 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 ...
The Q-code is a standardised collection of three-letter codes that each start with the letter "Q". It is an operating signal initially developed for commercial radiotelegraph communication and later adopted by other radio services, especially amateur radio. To distinguish the use of a Q-code transmitted as a question from the same Q-code ...
The Allied military phonetic spelling alphabets prescribed the words that are used to represent each letter of the alphabet, when spelling other words out loud, letter-by-letter, and how the spelling words should be pronounced for use by the Allies of World War II. They are not a "phonetic alphabet" in the sense in which that term is used in ...
Morse code. Morse code is a telecommunications method which encodes text characters as standardized sequences of two different signal durations, called dots and dashes, or dits and dahs. [3] [4] Morse code is named after Samuel Morse, one of the early developers of the system adopted for electrical telegraphy .
Michael Arbuthnot Ashcroft (codebreaker) Stanley Armitage [citation needed] Pamela Ascherson, bombe operator (artist) Arthur Oliver Lonsdale Atkin (mathematician) John H. A. Atkins [2] (translator of Japanese, later Head of Modern Languages at Nottingham Trent University) Joyce Aylard, bombe operator at Eastcote, reassigned to Bletchley Park ...
The U.S. Army enlisted rank insignia that was used during World War II differs from the current system.The color scheme used for the insignia's chevron design was defined as golden olive drab chevrons on a dark blue-black wool background for wear on "winter" uniform dress coats and dress shirts or silvery-khaki chevrons on a dark blue-black cotton background for wear on the various types of ...
The procedure signs below are compiled from the official specification for Morse Code, ITU-R M.1677, International Morse Code, [1] while others are defined the International Radio Regulations for Mobile Maritime Service, including ITU-R M.1170, [8] ITU-R M.1172, [4] and the Maritime International Code of Signals, [5] with a few details of their ...
The Secrets War: The Office of Strategic Services in World War II (Washington: National Archives and Records Administration, 1991) ISBN 0911333916; Chambers II, John Whiteclay. OSS Training in the National Parks and Service Abroad in World War II (NPS, 2008) online; chapters 1-2 and 8-11 provide a useful summary history of OSS by a scholar.