W-day Definition - MilitaryDictionary.org
1.) Declared by the President, W-day is associated with an adversary decision to prepare for war.
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.
Department of Defence, Dictionary of Military and Associated Terms
This term is marked as active and was last updated in 2015
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