Re: [SystemSafety] USAF Nuclear Accidents prior to 1967

From: Dick Selwood < >
Date: Sun, 22 Sep 2013 14:02:27 +0100

Nancy said "The fact that there was one near miss (and note that it was a miss) with nuclear weapons safety in the past 60+ years is an astounding achievement."

The article in the Guardian that Peter cites makes it clear that there were several near-misses


On 22/09/2013 10:53, Peter Bernard Ladkin wrote:
> While we're indulging in second thoughts....
> On 9/21/13 8:10 PM, Nancy Leveson wrote:
>> I'm not really sure why people are using an incident that happened 54
>> years ago when engineering was
>> very different in order to make points about engineered systems today.
> John Downer pointed out on the ProcEng list yesterday evening that
> Schlosser also wrote an article for the Guardian a week ago in which
> he pointed out the relevance of his historical discoveries for the
> present, namely concerning the UK Trident deterrent.
> So he seems to think it is currently relevant.
> For those who don't know, Trident is a US nuclear multiple-warhead
> missile carried on British-built and UK MoD-operated submarines, one
> of whom is always at sea. The maintenance and docking base is in
> Scotland, at Faslane on the West Coast. Scotland is to vote on
> independence from GB (which will become LB if so) next year, and the
> putative government has said it will close the base at Faslane.
> Further, the Trident "so-called British so-called independent
> so-called deterrent" (Harold Wilson) replacement will cost untold
> amounts of money (we have been told, but no one quite believes what we
> have been told :-) ). Many senior politicians and a large proportion
> of the concerned public think that money would not so be well spent.
> It is obviously relevant to all these deliberations to assess how
> dangerous the old kit really is. Given recent events which have shown
> US and UK government agencies concerned with national security in a
> light which has resulted in many citizens losing their trust, I would
> think any technical assessment such as this, independent of government
> agencies, of matters relevant to renewing or revoking Trident is a
> welcome contribution to the debate.
> Prof. Peter Bernard Ladkin, Faculty of Technology, University of
> Bielefeld, 33594 Bielefeld, Germany
> Tel+msg +49 (0)521 880 7319
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systemsafety_at_xxxxxx Received on Sun Sep 22 2013 - 15:03:05 CEST

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