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Discuss Deep penetration in Current Affairs, News and Analysis on The Army Rumour Service; Originally Posted by whitecity True. However, they were also used directly against concrete structures such as the Bremen U-boat pens. The latest theory on 'tactical' deep penetrators is (now that we have PGM) to penetrate ...
  1. #21
    Senior Member eodmatt's Avatar
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    Quote Originally Posted by whitecity View Post
    True.

    However, they were also used directly against concrete structures such as the Bremen U-boat pens.

    The latest theory on 'tactical' deep penetrators is (now that we have PGM) to penetrate into the facility and then detonate with a relatively small charge. In effect, the weight of the bomb has shifted from explosive to casing.
    Indeed and I wonder if the reason for that was the CEP factor that meant aiming directly at the structure decreased the likelihood of "missing by a mile". As it was, 617 Sqn's bombing accuracy had improved dramatically since the early days and so they hit the target dead on. Alternatively of course it may just be that someone calculated that enough damage would be caused from a direct hit by such a large (albeit classified as an MC bomb) weapon. Also, it may be that the U Boat pens were such a large structure that camouflets would have a peripheral effect rather than be devastating to the whole structure.
    3; 2; 1; Firing NOW.........

    3; 2; 1; Firing NOW ........

    FFS Pass me the bloody matches.

    Si hoc legere scis nimium eruditionis habes!

  2. #22
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    Quote Originally Posted by eodmatt View Post
    Indeed and I wonder if the reason for that was the CEP factor that meant aiming directly at the structure decreased the likelihood of "missing by a mile". As it was, 617 Sqn's bombing accuracy had improved dramatically since the early days and so they hit the target dead on. Alternatively of course it may just be that someone calculated that enough damage would be caused from a direct hit by such a large (albeit classified as an MC bomb) weapon. Also, it may be that the U Boat pens were such a large structure that camouflets would have a peripheral effect rather than be devastating to the whole structure.
    Give the poor bombing accuracy evident during WW2, big bombs landing nearby that shook the earth were the best that could be hoped for on certain key targets.

    But, as I mentionned earlier, there has been a marked shift away from huge explosive power rocking your world to an attempt to put a smaller charge precisely into a protected location.

  3. #23
    Senior Member eodmatt's Avatar
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    It wasn't just during WW2, bombing accuracy didn't improve until towards the end of the Vietnam war with the advent of "smart" bombs.

    Interestingly one of the drivers for the new and smaller "penetrator" bombs is that it should be capable of being delivered by "affordable aircraft". Hence in 2010 the USAF released a broad spec requirement for a "next generation penetrator munition" which would be smaller than the current (up to 30,000 lbs) penetrators, but as effective or more effective.
    3; 2; 1; Firing NOW.........

    3; 2; 1; Firing NOW ........

    FFS Pass me the bloody matches.

    Si hoc legere scis nimium eruditionis habes!

  4. #24
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    I met a French naval captain in 1961 who, after we had thawed him out with what for a small minesweeper was a fairly spectacular lunch, told us that he lived in one of only two pre-war houses in Brest. The U-boat pens there (and others I saw St Nazaire) were absolutely vast and where there was any doubt about their security the Germans just worked more Slav PoW slave labourers to death shovelling even more concrete onto the top.

    Displays etc of Wallis (met him on a school trip to his drawing office once) and his bombs (and much else) at Brooklands Museum
    Dr Johnson: 'Any man thinks less of himself for not having been a soldier, or not having been to sea.'

    Thiomas Babington Macaulay, quoted by Admiral of the Fleet Lord Fisher of Kilverstone: 'Moderation in war is imbecility!'

    Douglas MacArthur: 'There is no substitute for Victory!'

  5. #25
    Senior Member Boumer's Avatar
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    Quote Originally Posted by Kromeriz View Post
    IMHO, the irreconcilable position of Isreal will be it's own down fall when funding from America is withdrawn as must happen.
    Once read an interesting an historically apposite article in the economist once which compared Israel to the fall of the Crusader state in the middle ages.

    It's probably still out there if you are interested.

    Quote Originally Posted by CRmeansCeilingReached View Post
    what if the casing is too strong for the charge? that just made me think of this

    I love that clip. So much so I used it in a briefing, rather unwisely as I received some words of advice for that when the sense of humour wasn't shared.

    Oddly though I suspect a use of such conventional ordinance will lead to a use of such unconventional ordinance, as demonstrated. Shame to take it out on e VW Golf, nice cars them.

    Gone a bit quiet over in the US. 6 months ago they were accusing the Iranians of conspiracy to murder the Saudi ambassador or something similar, that's all gone a bit quiet. Maybe they need a new casus belli?

    "The truth is that commentators rush out their opinions based on their preconceived notions before they know the full facts
    "

    The Arabist blog
    http://www.arabist.net/blog/2012/7/1...on-debate.html

  6. #26
    Senior Member eodmatt's Avatar
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    Ordnance!
    3; 2; 1; Firing NOW.........

    3; 2; 1; Firing NOW ........

    FFS Pass me the bloody matches.

    Si hoc legere scis nimium eruditionis habes!

  7. #27
    Senior Member eodmatt's Avatar
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    Quote Originally Posted by Boumer View Post
    Once read an interesting an historically apposite article in the economist once which compared Israel to the fall of the Crusader state in the middle ages.

    It's probably still out there if you are interested.

    I love that clip. So much so I used it in a briefing, rather unwisely as I received some words of advice for that when the sense of humour wasn't shared.

    Oddly though I suspect a use of such conventional ordinance will lead to a use of such unconventional ordinance, as demonstrated. Shame to take it out on e VW Golf, nice cars them.

    Gone a bit quiet over in the US. 6 months ago they were accusing the Iranians of conspiracy to murder the Saudi ambassador or something similar, that's all gone a bit quiet. Maybe they need a new casus belli?
    Maybe you are right. So far we've had the Domino Theory and WMD. I look forward to the next scam.
    3; 2; 1; Firing NOW.........

    3; 2; 1; Firing NOW ........

    FFS Pass me the bloody matches.

    Si hoc legere scis nimium eruditionis habes!

  8. #28
    Moderator CRmeansCeilingReached's Avatar
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    Quote Originally Posted by eodmatt View Post
    Interestingly one of the drivers for the new and smaller "penetrator" bombs is that it should be capable of being delivered by "affordable aircraft".
    or just use a missile.

  9. #29
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    Quote Originally Posted by eodmatt View Post
    Maybe you are right. So far we've had the Domino Theory and WMD. I look forward to the next scam.
    Errrm!!!

    1. Israeli claims that suicide bombers in Bulgaria were supported and trained in Iran by al-Quds.
    2. In increase in rocket attacks on Israel that is blamed on Iran.
    3. Arms WMD supplies to Bashar al-Assad.
    4. The Iranian navy exercising in international waters.

    I know. But rehashing the old ones are always better at ramping up indignation amongst the coalition of willing hand-wringing liberals and the outrageous right-wing wanting to be outraged.

  10. #30
    Senior Member History_Man's Avatar
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    Quote Originally Posted by Boumer View Post
    I love that clip. So much so I used it in a briefing, rather unwisely as I received some words of advice for that when the sense of humour wasn't shared.
    [/I]
    Probably some numpty higher up the food chain who was to busy chasing his/her next promotion.

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