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ISO 639 is a standardized nomenclature used to classify languages. Each language is assigned a two-letter (set 1) and three-letter lowercase abbreviation (sets 2–5). Part 1 of the standard, ISO 639-1 defines the two-letter codes, and Part 3 (2007), ISO 639-3, defines the three-letter codes, aiming to cover all known natural languages, largely superseding the ISO 639-2 three-letter code standard.
T3 or T3R - Tier 3 or Tier 3 Reinvestigation, now replace all NACLC. T5 and T5R - Tier 5 or Tier 5 Reinvestigation, now replace SSBI and SBPR respectively. Yankee White – An investigation required for personnel working with the President and Vice President of the United States. Obtaining such clearance requires, in part, an SSBI.
Code word, an element of a codebook designed so that the meaning of the code word is opaque without the code book. Code name, a clandestine name or cryptonym used to identify sensitive information. password, passcode, codeword, countersign; a word that is a special code for access, to pass a challenge of a sentry.
Shackle code. A shackle code is a cryptographic system used in radio communications on the battle field by the US military and the Rhodesian Army . It is specialized for the transmission of numerals. Each of the letters of the English alphabet were assigned a numeric value. A number could have several letters assigned.
President John F. Kennedy, codename "Lancer" with First Lady Jacqueline Kennedy, codename "Lace". The United States Secret Service uses code names for U.S. presidents, first ladies, and other prominent persons and locations. [1] The use of such names was originally for security purposes and dates to a time when sensitive electronic ...
1 Code word as a linguistic topic. 2 04/26/05. 3 Code Brown. 2 comments. 4 Code Word or Jargon? 2 comments. 5 "Soft tissue" and "officer of the court" 2 comments.
Fox is a NATO codeword. The term 'fox' is a code used by NATO air forces, although their army aviation elements may use a different nomenclature, as the nature of helicopter fired weapons is usually air-to-surface, with many helicopters lacking the dedicated systems to launch all but the smallest air-to-air munitions.
A list of several such code words can be seen at Byeman Control System. Exercise terms – a combination of two words, normally unclassified, used exclusively to designate an exercise or test [1] In 1975, the Joint Chiefs of Staff introduced the Code Word, Nickname, and Exercise Term System (NICKA) which automated the assignment of names.