End Evening Civil Twilight Definition - MilitaryDictionary.org
end evening civil twilight
1.) The point in time when the sun has dropped 6 degrees beneath the western horizon, and is the instant at which there is no longer sufficient light to see objects with the unaided eye.
- also called EECT
In the United States, military vocabulary is standardized by the Department of Defence. These terms are used by the United States Army, Navy, Air Force, and Marine Corps.
Term Classification: intelligence
Department of Defence, Dictionary of Military and Associated Terms
Term sourced from JP 2-01.3: Joint Intelligence Preparation of the Operational Environment, updated May 2014
This term is marked as active and was last updated in 2015
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