Begin Morning Civil Twilight Definition - MilitaryDictionary.org

begin morning civil twilight

1.) The period of time at which the sun is halfway between beginning morning and nautical twilight and sunrise, when there is enough light to see objects clearly with the unaided eye.

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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

Source:

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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