air defense
McGraw-Hill Science & Technology Dictionary:
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air defense
(′er di′fens)
(ordnance) All measures designed to destroy, nullify, or reduce the effectiveness of enemy attack by aircraft or missiles after they are airborne.
Oxford Dictionary of the US Military:
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air defense
Collectively, all defensive measures designed to destroy attacking enemy aircraft or missiles in the earth's envelope of atmosphere, or to nullify or reduce the effectiveness of such attack.
See the Introduction, Abbreviations and Pronunciation for further details.
US Defense Department Military Dictionary:
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air defense
(DOD) All defensive measures designed to destroy attacking enemy aircraft or missiles in the Earth's envelope of atmosphere, or to nullify or reduce the effectiveness of such attack. Also called AD. See also active air defense; aerospace defense; passive air defense.
McGraw-Hill Dictionary of Aviation:
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air defense
All defensive means designed to destroy attacking enemy aircraft or missiles in the air and to minimize the adverse effects of such attacks. Both active and passive means can be used for air defense.
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Copyrights:
McGraw-Hill Science & Technology Dictionary
McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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Oxford Dictionary of the US Military
The Oxford Essential Dictionary of the U.S. Military. Copyright © 2001, 2002 by Oxford University Press, Inc. All rights reserved.
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US Defense Department Military Dictionary
US Department of Defense Dictionary of Military and Associated Words, 2003.
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