[ARC5] How the U.S. Cracked Japan's 'Purple Encryption"

[Kenneth G. Gordon]

OK. That makes sense. I had wondered at the time...

Thanks, you two.

Ken

On 6 Dec 2016 at 21:05, Joe Connor wrote:

> 
> Ken, if Japanese naval officers said that in the post-war debriefings, they may 
> have been trying tell their interrogators what they thought they wanted to hear. I 
> think they knew full well on 12/7/41 the importance of the fuel tanks and the 
> repair facilities at Pearl Harbor. I base this on the following:
> 1. In the Pearl Harbor attack, the main Japanese priorities were taking out the 
> ships in the harbor and the American airbases on Oahu. There is only so 
> much they could do in a single raid. That's why they didn't hit the fuel tanks and 
> dry docks in the raid. 
> 2. When the attackers got back to their carriers, they begged Nagumo to launch a 
> second strike to take out the fuel tanks and repair facilities. He declined because 
> he didn't know where the U.S. carriers were, and he came in for a lot of criticism 
> for not launching a second strike.
> 
> 3. When the Japanese took out Cavite, the Asiatic Fleet's main base in the 
> Philippines, two days later, they obliterated the fuel tanks and repair facilities. In 
> that raid, they didn't have to worry about American airbases because those had 
> been taken out two days earlier. This shows that they knew of the importance of 
> the fuel tanks and dry docks.
> 
> 
> Joe Connor
> On Tuesday, December 6, 2016 3:48 PM, Kenneth G. Gordon <kgordon2006 at frontier.com> 
> wrote:
> 
>     On 6 Dec 2016 at 20:00, Joe Connor wrote: > Yamamoto recognized from 
>     the start that Japan lacked the resources to stand > toe-to-toe with the U.S. 
>     in a long war. When the U.S. geared up its industrial > production, it would 
>     overwhelm Japan. Yamamoto realized Japan's only chance > was a quick 
>     knockout, and that was his plan. > > First, he would cripple the Pacific Fleet 
>     at Pearl Harbor. He came close but luckily > for us, the carriers were at sea, 
>     and this was going to be a carrier war, not a > battleship war. Japan's 
>     biggest screw up was missing the fuel dumps on Pearl. If they had destroyed 
>     those, we would have been pretty much dead in the water for many, many 
>     months. I remember reading some time ago that during an interview by our 
>     military with the Japanese commanders after the war that when this was 
>     brought to their attention, their mouths dropped open and they appeared 
>     absolutely dumb-founded.   > Second, he planned to lure the remnants of 
>     the Pacific fleet out to sea, inflict a > decisive defeat on the fleet, and force 
>     the U.S. to sue for peace. That was > Midway. Without the code-break 
>     activities, his plan might have worked. Maybe. Yes, we were more than 
>     lucky... 
>     Ken W7EKB --- This email has been checked for viruses by Avast antivirus 
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