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Post by batteryboy on Jul 22, 2009 22:27:51 GMT 8
Mapmaster,
The scanned map that you have maty have came from Bob McGretchin
I have a lead on the tunnels. Am just confirming them. All other assumptions made by authors and etc. on the names will be proven wrong in some instance.
So stay tuned...
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Post by okla on Jul 22, 2009 22:34:57 GMT 8
hey guys....before i go "belly up" i gotta clear up one thing. i have it in my mind that the navy intercept tunnel was at monkey point. this was the CAST outfit and the code breaking operation. i have a book somewhere in all my junk (gotta organize all this material before my demise) that depicts the interior of the tunnel, location of the desks, decoding machine,etc. it was drawn from memory by one of the code breakers who was evacuated by submarine before genl wainwright went to meet with genl homma in may 1942. to my knowledge CAST was never located in any navy tunnel inside malinta hill. if i am amiss on this, please feel free to correct any of my misconceptions. i have a thick skin. lol.
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Post by Deleted on Jul 22, 2009 23:56:36 GMT 8
I know that I am new to this board, and I don’t want to seem like an interloper, but I remember reading on this board a similar thread about the names of the Navy Tunnels. I think there was a post saying the names on Corregidor were a continuation of names of the tunnels at Mariveles Harbor. Now, of course, I’ve been unable to locate those posts (maybe I was dreaming). If they exist, Has anybody seen tunnels at Mariveles? Or better yet taken pictures?
-Alan
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Post by fots2 on Jul 23, 2009 0:08:22 GMT 8
Hi Alan,
Welcome to the board.
One of the guys on here (Trailmaster) who logs in occasionally has talked about info on the Mariveles tunnels. I don't think any remain but I do not know that for sure. I wouldn't mind checking out the area myself.
Hopefully he will reply.
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Post by okla on Jul 23, 2009 4:42:31 GMT 8
hey fots...i have read that there was a tunnel complex at mariveles harbor. they were dynamited by army engineers just before and during the evacuation of the nurses and other critical personnel to corregidor. now whether these tunnels were unsealed by the japs during the war or by filipinos or americans after the liberation of the PI isnt known to me. these excavations were located in the mountain side on the east side of mariveles harbor, just north of caricol cove. there was a quarry nearby. i got this poop from a map in the book "conduct under fire", by john a glusman. whether this tunnel/tunnels was named as were "queen, tare"etc" i have no knowledge. as far as you prowling thru the mariveles jungle, i would think it would be right down your alley. i will await another fots report (in triplicate as usual) in nervouls anticipation.
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Post by mapmaster on Jul 23, 2009 12:15:03 GMT 8
Hi
batterboy - I will await the results of your research. The Navy Tunnel System under Malinta Hill has long been a bit of a mystery. We are close to solving at least some of that mystery. Any additional information on the tunnels and/or tunnel names will make the picture almost complete.
As to the map, Bob McGretchin the name might be. However, there is so much information that is unreadable on the map, because of the low resolution scan.
fots2 - I've no knowledge or information on the Mariveles Tunnels. It would certainly have been someone else who had the theory on the tunnel naming confluence with Malinta Navy Tunnels.
okla - correct. The Navy Intercept Tunnel is near Monkey Point. The Monkey Point project was called CAST. It had been previously sited in Cavite. There were also stations at Pearl Harbor and Shanghai. These stations were known as HYPO and ABLE respectively. There were other stations also.
There is published documentation that the US Navy had a Communications Unit in the Navy Tunnels under Malinta Hill. It would have had separate duties to those of CAST.
Try a Google search for A Brief History of Communications Intelligence in the United States by Laurance F. Safford (prepared 1952 and only declassified in 2005). This is not the full story of the subject (I guess) but the document does give a good insight into the operations of these intelligence operations.
One passage states "about 1922 a shock-team of FBI, ONI, and New York Police representatives succeeded in "picking-the-lock" of the safe of the Japanese Consul General in New York and discovered a Japanese Naval Code belonging to a Japanese naval inspector. This was photographed, page-by-page, over a period of time, and rephotographed a year or two later to pick up extensive printed changes".
There are quite a few documents available on the "www".
Regards
mapmaster
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Post by fots2 on Jul 23, 2009 16:40:38 GMT 8
Sorry mapmaster, I referred to the wrong "master" in my post above.
Trailmaster is the guy. The post has been edited.
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Post by fots2 on Jul 23, 2009 16:46:22 GMT 8
Hi okla,
I knew about the tunnels being dynamited but nothing else. You provided good starting information for a little search if no one knows anything else. As for actually making the trip, I would probably do it with Trailmaster who knows the area and I think that he has explored nearby in the past.
I have only been to Mariveles once while following the Death March route plus a visit to the Mount Samat National Shrine. We took a quick tour of Mariveles city but no time that day to explore more.
Thanks for the info.
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Post by buster on Jul 23, 2009 18:00:06 GMT 8
Bob McGetchin was a long time friend of Al McGrew, and Danny Howell - and spent much time on Corregidor. He also knew Don Abbott well.
Bob, however, wasn't an authority on tunnels - though he measured RJ-43, he wanted it named the Danny Howell Tunnel. Much of what he recorded was due, I suspect, to the years that Danny Howell spent on the island. Danny is the authority. Finding him is the key.
McGetchin did have the advantage over all of us, which was access to the tunnels at a time in which they weren't as collapsed as they are now.
Don Abbott was an indefatiguable tunnel rat, and managed to do in his retirement what E Company was unable to do during his war - make it to Btry Monja.
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Post by mapmaster on Jul 23, 2009 19:23:05 GMT 8
Hi Buster
From the copy of the map I have, it looks like Bob may have accessed the three Navy Tunnel entrances that are today buried under rubble. Bob had marked access of between 45 and 55 feet into each before they were blocked. All are probably three times that length.
Regards
mapmaster
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