U.S. Marine Corps Dictionary

Charlie Echo Code

A numerical code devised by aviators during the Vietnam War after they were admonished for their frequent use of profanity and unkind references to staff and command personnel. (background) The code was a three-digit number with each number having a specific meaning. It was used in the form “Charlie Echo 103”.

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DevilDogCorps.com is an unofficial online dictionary of terms and acronyms commonly used within the United States Marine Corps.