Code Letters

Code letters were a method of identifying ships before the introduction of modern navigation aids. Later, with the introduction of radio, code letters were also used as radio callsigns.

Read more about Code Letters:  History, Flags Used

Famous quotes containing the words code and/or letters:

    “Motion or change, and identity or rest, are the first and second secrets of nature: Motion and Rest. The whole code of her laws may be written on the thumbnail, or the signet of a ring.”
    —Ralph Waldo Emerson (1803–1882)

    “Letters are like wine; if they are sound they ripen with keeping. A man should lay down letters as he does a cellar of wine.”
    —Samuel Butler (1835–1902)