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#4560985 - 03/22/21 10:23 PM The U.S.S. Thresher investigation  
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F4 recently mentioned the release of documents related to the Thresher investigation in another thread. I just saw this recent post, which includes an excellent video presentation on what is known so far.

Panel: ‘Navy Has Done Itself a Major Favor’ in Releasing Thresher Investigation

Rest in peace, brothers.

Inline advert (2nd and 3rd post)

#4560987 - 03/22/21 10:42 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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I remember very clearly hearing that on the evening news.


Archie Smythe

carpe diem
#4560991 - 03/22/21 11:05 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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I remember it well.Yes,,RIP Brothers


Russ
Semper Fi
#4561970 - 03/31/21 12:05 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Is the remains still on the seabed, or was there a recovery of any of it?

Mick.


"An appeaser is someone who feeds the crocodile hoping he will be eaten last"

Winston Churchill

#4562025 - 03/31/21 04:56 PM Re: The U.S.S. Thresher investigation [Re: 3instein]  
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Originally Posted by 3instein
Is the remains still on the seabed, or was there a recovery of any of it?

Mick.


Yes, some parts were recovered. The rest remains on eternal patrol.

https://en.m.wikipedia.org/wiki/USS_Thresher_(SSN-593) :
"Trieste II was commanded by Lieutenant John B. Mooney Jr., with co-pilot Lieutenant John H. Howland and Captain Frank Andrews, in an operation that recovered parts of the wreckage in September 1964."

#4562026 - 03/31/21 05:12 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Just read this about the incident:


“Propulsion failure during deep dive test on 10 April, 1963, subsequent emergency ballast blowout failed due to icing issues; Vessel sank past maximum depth limit and imploded, killing all 129 crew members.”

I can’t even fathom what must have been going through their minds after the failure of the emergency ballast. RiP.


“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”
#4562037 - 03/31/21 07:09 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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One of the most disturbing aspects is that back then, when the reactor scrammed (tripped), the main steam isolation valves automatically closed, and could not be immediately reopened. That killed the steam supply to the main propulsion, which prevented a powered ascent to the surface.

U-tube steam generators have a notable amount of remaining steam inventory in them when a scram occurs, plus there is (reactor) decay heat still available to generate some more steam. If they could have utilized that steam, there is a very real possibility they could have made it back up to the surface, and had time fight / stop / minimize the flooding.

During my time in, that main steam isolation automatic closure/interlock was no longer the case. A hard lesson learned.

The Subsafe program addressed a number of things learned from that tragedy. My boat, U.S.S. Jack, SSN-605 did not get the full Subsafe package, which left some limits on what we were allowed to do.

#4562054 - 03/31/21 08:51 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Thanks for the input gents, a tragedy indeed.

Mick.


"An appeaser is someone who feeds the crocodile hoping he will be eaten last"

Winston Churchill

#4562059 - 03/31/21 09:08 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Always good to hear from someone who has real experience and knowledge. Thanks CyBerkut !


Good people sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.

Someday your life will flash in front of your eyes. Make sure it is worth watching.
#4562099 - 04/01/21 09:29 AM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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My son lost crew-mates too. One was left on deck when the sub dived. Brave men, submariners.


"You'll never take me alive" said he,
And his ghost may be heard if you pass by that billabong
"Who'll come a Waltzing Matilda with me?"
#4562138 - 04/01/21 03:06 PM Re: The U.S.S. Thresher investigation [Re: Mad Max]  
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Originally Posted by Mad Max
My son lost crew-mates too. One was left on deck when the sub dived.


jawdrop Oh man... that sucks. You don't expect that kind of thing to happen during peacetime. Of course, they may have been somewhere that somebody else didn't want them to be...

#4562397 - 04/03/21 11:03 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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It was in peacetime, sheer accident. Huge investigation later.

Not in this case, but our subs regularly penetrate river estuaries etc where they shouldn't be. Edward my son has some hilarious tales of fishermen etc. from his time in the Otama and the old Orion.


"You'll never take me alive" said he,
And his ghost may be heard if you pass by that billabong
"Who'll come a Waltzing Matilda with me?"
#4562542 - 04/04/21 10:58 PM Re: The U.S.S. Thresher investigation [Re: Mad Max]  
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Originally Posted by Mad Max
It was in peacetime,

.


I would assume so since I don’t think any Australian subs have seen combat since WWII.


“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”
#4562546 - 04/04/21 11:07 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Wish it was so Panzer, we have been involved in many wars since WW2 (not your statement I know) and our subs are constantly sparring with Chinese coastal forces, mainly Intel missions. My own son has an Australian Combat Service decoration. And of course the ongoing Forever War with nations we assume will be enemies at some time and exercises with our friends.

This sh!t never ends, and we only have the population of NYNY.


"You'll never take me alive" said he,
And his ghost may be heard if you pass by that billabong
"Who'll come a Waltzing Matilda with me?"
#4562547 - 04/04/21 11:12 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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This tells a bit about Australian sub operations Cold War.

Sorry, but you will have to copy and paste.

https://www.navalofficer.com.au/o-boats1/#:~:text=It’s%20the%20great%20untold%20story%20of%20Australian%20naval,effort%20to%20check%20the%20Soviet%20Navy’s%20formidable%20fleet.


Good people sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.

Someday your life will flash in front of your eyes. Make sure it is worth watching.
#4562549 - 04/04/21 11:18 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Submarines are inherently dangerous things to be on, surfacing and submerging, and when bad things happen, normally everyone on board dies, like Thresher and Scorpion. No survivors. There are no real built-in safety margins even with the big nukey boats. Submariners are very brave men as a rule. My son has told me of another occasion when his boat took on several tons of seawater on diving with a faulty hatch, and they only pulled out of a potential crushing accident by seconds. Natch our diesel-electrics are worse than most nukeys as a clear passage exists for snorkel to the engine room. Brave men.

Cyber will know more about it than me.


"You'll never take me alive" said he,
And his ghost may be heard if you pass by that billabong
"Who'll come a Waltzing Matilda with me?"
#4562567 - 04/05/21 01:33 AM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Excellent article OG. Both Otama and Orion got a mention. Edward was comm officer and though he kipped on a rack of Mk48s he had a private booth, illegal to search, where the crew stashed contraband to smuggle back into Oz.

We saw him and his mates in Sydney a few times when in port at Platypus. They were good lads, all very young and full of p!ss and vinegar. On one liberty in Singapore they got Australian ship liberties banned.. the submariners were renowned as fighting drunks when ashore and another Oz ship, a skimmer, had their liberty stopped because of the way the sub boys behaved. Just young blokes letting off steam after a long patrol.

Age shall not weary them nor the years condemn...... On the going down of the sun, and in the morning, We shall remember them.

For lost O-Boaters.....

https://upload.wikimedia.org/wikipedia/commons/5/59/Oberon_class_submarines_commemorative_plaque%2C_Rockingham_Naval_Memorial_Park%2C_September_2019_01.jpg


BTW it's "submarrinners" not "submareeners"

smile


Last edited by Mad Max; 04/05/21 05:23 AM. Reason: pronounciation check for yanks :)

"You'll never take me alive" said he,
And his ghost may be heard if you pass by that billabong
"Who'll come a Waltzing Matilda with me?"
#4562683 - 04/05/21 08:48 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Excuse my ignorance but couldn’t some of the big nuke boats have an escape section that could maybe detach and float to the surface? I’d imagine space is the thing as there isn’t much on them for everything they carry, but some of them are pretty huge.

Mick.


"An appeaser is someone who feeds the crocodile hoping he will be eaten last"

Winston Churchill

#4562692 - 04/05/21 11:07 PM Re: The U.S.S. Thresher investigation [Re: CyBerkut]  
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Only one 'n' in submariner Max. At least here that is how it spelt.


There was only 16 squadrons of RAF fighters that used 100 octane during the BoB.
The Fw190A could not fly with the outer cannon removed.
There was no Fw190A-8s flying with the JGs in 1945.
#4562714 - 04/06/21 02:08 AM Re: The U.S.S. Thresher investigation [Re: KraziKanuK]  
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Originally Posted by KraziKanuK
Only one 'n' in submariner Max. At least here that is how it spelt.


He was talking about how to pronounce the term.

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