Air defence is defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action."[1] They include ground-and air-based weapon systems, associated sensor systems, command and control arrangements and passive measures (e.g. barrage balloons). It may be used to protect naval, ground, and air forces in any location. However, for most countries the main effort has tended to be 'homeland defence'. NATO refers to airborne air defence as counter-air and naval air defence as anti-aircraft warfare. Missile defence is an extension of air defence as are initiatives to adapt air defence to the task of intercepting any projectile in flight.

In some countries, such as Britain and Germany during the Second World War, the Soviet Union and NATO's Allied Command Europe, ground based air defence and air defence aircraft have been under integrated command and control. However, while overall air defence may be for homeland defence including military facilities, forces in the field, wherever they are, invariably deploy their own air defence capability if there is an air threat. A surface-based air defence capability can also be deployed offensively to deny the use of airspace to an opponent.

Until the 1950s, guns firing ballistic munitions ranging from 20 mm to 150 mm were the standard weapon; guided missiles then became dominant, except at the very shortest ranges.

The essence of air defence is to detect hostile aircraft and destroy them. The critical issue is to hit a target moving in three-dimensional space; an attack must not only match these three coordinates, but must do so at the time the target is at that position. This means that projectiles either have to be guided to hit the target, or aimed at the predicted position of the target at the time the projectile reaches it, taking into account speed and direction of both the target and the projectile.
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Demigod Studios is very proud to announce its newest game in development. Are you ready to take part in this war?

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Post comment Comments  (40 - 50 of 107)
MiG31 Mar 25 2011, 12:07pm says:

Very nice group :))

+2 votes     reply to comment
FAFNIROS Mar 23 2011, 4:41pm says:

ok Im now admin of this group :)

+2 votes   reply to comment
ComeradeStalin Creator
ComeradeStalin Mar 24 2011, 6:34am replied:

Ehm... one more? It seems like very soon this group will have more admins than images.

+6 votes   reply to comment
Phenixtri Mar 21 2011, 5:08pm says:

How bout we get sme more pcs posted :/ I put 4 up & am still looking for more vintage AA pics.

+2 votes     reply to comment
Smallchange Creator
Smallchange Mar 16 2011, 10:54am says:

Ok, I just sent out 30 new invites

+2 votes   reply to comment
ℱℓσℊℊℯɾ Creator
ℱℓσℊℊℯɾ Mar 16 2011, 6:27pm replied:

Great job keep up it up ;)

+2 votes   reply to comment
Smallchange Creator
Smallchange Mar 12 2011, 9:54pm says:

20!!! yeah almost to my quota 8)

+2 votes   reply to comment
pthumann Mar 11 2011, 12:58pm says:

:) i do luv some flak :)

+2 votes     reply to comment
MandaloreTheGuardian Mar 10 2011, 10:18pm says:

Blow 'em outta' the skies!

+2 votes     reply to comment
Smallchange Creator
Smallchange Mar 9 2011, 8:25pm says:

Ok.. i have started...

as you all have probably noticed i put up the whats & whys about AA news article.

And i have also sent about 40 invitations so lets see how many of them join... from other experiance i expect at least 25 to join :)

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Air Defense Lovers Group
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