a concluded in the book the letter that rickover wrote after the accident. i was perry struck by it. you could apply it to many accidents. >> i wrote in the margin. >> the road in the margin. this is like the cut and pasted it. or the joint investigation. >> what you have is you have a series of cascading things. it one of them had not happened you may have had other we had seven of ten. they all come together. when i read the letter and have exactly the executed. >> the call to lead the investigation and three mile island. at the end he warned against the syndrome maturing government regulators and the nuclear industry. he also said that government regulators would never be sufficient and cannot adequately do the job. that is how it was created. >> well, a body. >> self regulation. very tight regulation. then you have the industry where they go out and a critique each they go out and a critique each othe r. they're very tough on each other. there is a recognition that if one of them makes the mistake everybody is vulnerable. >> i think about works. i imagin

the sixty's admiral rickover the father of nuclear navy or maybe was asked when he testified before the senate in one nine hundred seventy s. how long would our carriers last against the soviet navy at sea and his answer was two or three days before their sunk maybe a week if they stay in port well that's because the submarine and submersibles unmanned submersibles today these kinds of things are so powerful and so difficult to track that they will put down capital ships like these aircraft carriers in a serious conflict so again what's the rationale strategically for doing this perhaps it's jobs because clearly you know this creates a lot of employment in norfolk virginia. almost like a really nice car you don't want to. say it's for a show that you don't want to really put in harm's way because of how much money i mean do you think that the money spent on something like this can be better spent elsewhere yes i do but it but again the navy admiral are stuck with the structure that they've had now since the end of the second world war they are doing the same thing that is being done in