air defense emergency


Also found in: Dictionary, Acronyms.
Related to air defense emergency: Air Defense Artillery, Air Defense Command

air defense emergency

A military emergency condition declared by a designated authority. In the case of the United States, this condition shall exist when an attack upon the continental United States, Alaska, Canada, or the U.S. installations in Greenland by hostile aircraft or missiles is considered probable, is imminent, or is taking place.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
Full browser ?