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Explosive or exploding missile fired from antiaircraft cannon.
Antiaircraft cannon, as in flak battery or flak installation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The fire from anti-aircraft artillery that appears as small puffs in the sky. These puffs are generated when shells of air defense guns self-destruct at the end of stipulated period of flight after failing to impact the enemy aircraft.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved