Nicknames and Codewords

Below is a listing of nicknames and codewords related to US Signals Intelligence (SIGINT) and Communications Security (COMSEC). Most of them are from the NSA, some are from other government or military agencies. Due to secrecy, it's not always clear whether a word is a nickname or a codeword. Some of them also have an abbreviation which is shown in brackets.

Nicknames are generally unclassified. NSA uses single word nicknames, outside NSA they usually consist of two separate words, with the first word selected from alphabetical blocks that are assigned to different agencies by the Joint Staff. Usually, nicknames are printed using all capital letters.

Codewords are always classified and always consist of a single word. Active codewords always need to be shown together with their classification level. Normally, codewords are printed using all capital letters....

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