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Question about laser guided bombs - 6/6/2020 8:45:37 PM   
Torborg

 

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Hello!
What is the difference between a laser guided bomb that has the property "illuminate at launch" (for example AGM-123A Skipper II) and one that has the property "terminal illumination" (for example GBU-24B/B Paveway III)?
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RE: Question about laser guided bombs - 6/6/2020 10:03:54 PM   
thewood1

 

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Probably a good place to start:

https://en.wikipedia.org/wiki/Terminal_guidance

Illuminate at launch is basically what it says. Must be illuminated and locked before launch is allowed.

(in reply to Torborg)
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RE: Question about laser guided bombs - 6/6/2020 10:08:53 PM   
KLAB


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Illuminate at launch means the bomb seeker has to "see" the laser on the target before it leaves the pylon of the attacking aircraft.
So no laser line of sight means you can't drop the weapon.
Terminal illuminated means the bomb can be dropped without being able to "see" the laser on the target but must be able to "see" the laser on the target at the "terminal" part of its trajectory as it nears the target or it is just a dumb bomb.
By example if the launch aircraft is above thick clouds at 10k feet and can't see any laser illuminating the target from for example a ground based forward air controller with a laser designator the "illuminate at launch" type wouldn't be dropped but the "terminal illuminated" could be dropped "blind" falling through the cloud cover until it cleared the cloud and is then able to "see" the laser painting the target.
Someone else can probably describe it more elegantly and technically but that is the general concept AFAIK.
K

(in reply to Torborg)
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RE: Question about laser guided bombs - 6/7/2020 9:27:45 AM   
Torborg

 

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Thanks for your help KLAB!

Dose the "illuminate at launch" typ needs to be illuminated during it´s whole flight path or just at the launch?

(in reply to KLAB)
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RE: Question about laser guided bombs - 6/7/2020 10:04:57 AM   
Rain08

 

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quote:

ORIGINAL: Torborg

Thanks for your help KLAB!

Dose the "illuminate at launch" typ needs to be illuminated during it´s whole flight path or just at the launch?


It needs to be throughout the flight to ensure the bomb is hitting the right spot.

(in reply to Torborg)
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RE: Question about laser guided bombs - 6/7/2020 2:21:31 PM   
Torborg

 

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Thanks for your help Rain08!

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RE: Question about laser guided bombs - 6/7/2020 7:58:15 PM   
Gunner98

 

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quote:

needs to be illuminated during it´s whole flight path or just at the launch?


If you don't the will become precision weapons that precisely miss

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RE: Question about laser guided bombs - 8/13/2020 12:19:17 AM   
Beeroshima

 

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AGM65E's are like this. They require the maverick seeker head to find the laser designator before they launch. A GBU12 or 31, by contrast can be dropped and falling for a while and then have the laser illuminate and the seeker head in the bomb will acquire the laser designation and adjust the course of the weapon on the fly.

(in reply to Gunner98)
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RE: Question about laser guided bombs - 8/13/2020 12:21:36 AM   
thewood1

 

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OK

(in reply to Beeroshima)
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