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radar picket[′rā‚där ‚pik·ət]
A ship or aircraft equipped with early-warning radar and operating at a distance from the area being protected, to extend the range of radar detection.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
An aircraft, ship, or any other vehicle stationed at a distance from the surface force, and in the probable line of approach of the enemy, for the express purpose of increasing the radar-detection range.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved