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This is a list of American standardized brevity code words. The scope is limited to those brevity codes used in multiservice operations and does not include words unique to single service operations. While these codes are not authoritative in nature, all services agree to their meanings.
Several codes words and sequences of code words have become well-known, such as Bravo Zulu (letter code BZ) for "well done", Checkpoint Charlie (Checkpoint C) in Berlin, and Zulu Time for Greenwich Mean Time or Coordinated Universal Time.
In communication, a code word is an element of a standardized code or protocol. Each code word is assembled in accordance with the specific rules of the code and assigned a unique meaning. Code words are typically used for reasons of reliability, clarity, brevity, or secrecy.
CIA cryptonyms are code names or code words used by the U.S. Central Intelligence Agency (CIA) to refer to projects, operations, persons, agencies, etc. [better source needed]
The APCO phonetic alphabet, a.k.a. LAPD radio alphabet, is the term for an old competing spelling alphabet to the ICAO radiotelephony alphabet, defined by the Association of Public-Safety Communications Officials-International [1] from 1941 to 1974, that is used by the Los Angeles Police Department (LAPD) and other local and state law ...
Morse code is a method used in telecommunication to encode 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 .
Officially, Arkin (2005) says that there are three types of code name: Nicknames – a combination of two separate unassociated and unclassified words (e.g. Polo and Step) assigned to represent a specific program, special access program, exercise, or activity.
In telecommunication, a commercial code is a code once used to save on cablegram costs. [1] Telegraph (and telex) charged per word sent, so companies which sent large volumes of telegrams developed codes to save money on tolls.
Diver – radio-telephony code word for a sighted V-1 flying bomb. Fighter night – introduced in November 1940, night patrols above a specified height with orders to shoot down any multi-engined aircraft. Flower – counter-air patrols in the area of enemy airfields to preventing aircraft from taking off and attacking those aircraft that ...
The sortable table below contains the three sets of ISO 3166-1 country codes for each of its 249 countries, links to the ISO 3166-2 country subdivision codes, and the Internet country code top-level domains (ccTLD) which are based on the ISO 3166-1 alpha-2 standard with the few exceptions noted.