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USS Connecticut SSN22 - Collision

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gerry View Drop Down
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    Posted: 07 Oct 2021 at 6:55pm
Apparently, USS Connecticut (SSN22) was off doing what she does... in the South China Sea... and suffered a collision while submerged. 11 sailors were injured ("moderate to minor") and the plant/engineering spaces were not damaged.

There is much speculation bouncing around about the incident of course. "Anonymous" sources report that there are no geological features in the area that would account for the collision. Some are blaming a rogue partly-submerged shipping container and some are thinking the "object" was another submarine. While either are plausible, I just don't see even a 53' shipping container doing that kind of damage to the forward section of SSN22.

The ship should be making port in Guam this evening (if it hasn't already).

USNI and Navy Times have good articles, as well as this one from the War Zone. Nothing from Covert Shores/HI Sutton yet, but expected soon.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SaltiDawg Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 2021 at 9:10am
"According to AP, the officials said the object the USS Connecticut collided with was not another submarine. One of the officials quoted by the agency said it could have been a sunken vessel or container, or other uncharted object."

We'll see!

Edited by SaltiDawg - 08 Oct 2021 at 9:10am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Runner485 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 2021 at 11:06am

First thing I thought of was the mountain that the 711 ran into on the way to Guam, which the article said the Connecticut was going to also. Lots of speculation to be sure....Also thought of her running into a chinese boat.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rontini599 Quote  Post ReplyReply Direct Link To This Post Posted: 01 Nov 2021 at 4:50pm

Investigation Concludes USS Connecticut Grounded on Uncharted Seamount in South China Sea

This post has been updated with a statement from U.S. 7th Fleet.

Investigators have determined USS Connecticut (SSN-22) hit an uncharted seamount that grounded the nuclear attack submarine on the underwater feature in the South China Sea Navy, USNI News has learned.  MORE



Edited by gerry - 02 Nov 2021 at 10:01am
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rontini599 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Nov 2021 at 3:40pm
Vice Adm Karl Thomas has relieved CO, XO, COB from the USS Connecticut due to lack of confidence.  

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Post Options Post Options   Thanks (0) Thanks(0)   Quote gerry Quote  Post ReplyReply Direct Link To This Post Posted: 04 Nov 2021 at 7:42pm
Unfortunate for them if the object they hit was indeed uncharted. Surprised the NAV and ANAV survived the purge.

Edited by gerry - 04 Nov 2021 at 7:43pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rontini599 Quote  Post ReplyReply Direct Link To This Post Posted: 05 Nov 2021 at 11:11am
Using a method called vertical gravity grading -- taking satellite altimetry measurements of the Earth's gravitational field -- and overlaying those results with mapping of the bottom of the South China Sea, he was able to identify 27 places where the Connecticut could have hit a seamount that was not on US Navy charts.
"These are places where the gravity predicts there is something shallower than 400 meters (1,312 feet), around the depth where a submarine might run into it," he said.
In the busy South China Sea, through which a third of the world's maritime trade passes and where China has been building and militarily fortifying man-made islands, less than 50% of the sea bottom has been mapped, David Sandwell, a professor of geophysics at Scripps Institution of Oceanography in California, told CNN.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rontini599 Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2021 at 6:23pm
As a result of the above, the entire Submarine Force is undergoing Navigational Safety Training.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Runner485 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2021 at 9:35am

Navy Sub Crews Told to Stand Down After Preventable Collision in the Pacific

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The Seawolf-class fast-attack submarine USS Connecticut departs Puget Sound.
The Seawolf-class fast-attack submarine USS Connecticut departs Puget Sound Naval Shipyard, Washington, for sea trials following a maintenance availability. (Thiep Van Nguyen II/U.S. Navy photo)
18 Nov 2021
Military.com | By Konstantin Toropin

The Navy has ordered all submarine crews to conduct a navigation stand down -- a period of  additional training -- after an underwater collision damaged a sub in the South China Sea last month.

Cmdr. Paul Macapagal, a spokesman for the commander of all submarine forces, said crews will be reviewing lessons learned from the USS Connecticut collision as well as the Navy’s existing rules on sound navigation practices. 

That will include the “required procedures in navigation planning, operations, risk management and best practices,” he said in a phone interview. 

Vice Adm. William Houston and Rear Adm. Jeffrey Jablon, the Navy’s top two submarine commanders, released a joint message ordering the stand down Wednesday, but Macapagal emphasized that it will not impact submarine operations. 

The USS Connecticut, a Seawolf-class submarine, struck an unidentified seamount or underwater mountain on Oct. 2. The boat has since sailed to Guam, where it is undergoing a damage assessment, repairs and testing, Cmdr. Cindy Fields, a spokeswoman for the Pacific Submarine Force, told Military.com in a statement. 

The collision also led the Navy to fire the boat’s top two officers and its highest enlisted sailor.

Vice Adm. Karl Thomas, commander of the U.S. 7th Fleet, relieved Cmdr. Cameron Aljilani as commanding officer, Lt. Cmdr. Patrick Cashin as executive officer, and Master Chief Sonar Technician Cory Rodgers as chief of the boat, due to “loss of confidence.”

The Navy has not released details about the nature of the damage the collision caused to the Connecticut. 

An earlier statement from the Navy noted that an investigation determined the Connecticut “grounded on an uncharted seamount while operating in international waters in the Indo-Pacific region.” 

The investigation also found that “sound judgement, prudent decision-making, and adherence to required procedures in navigation planning, watch team execution and risk management could have prevented the incident.” 

The Navy said that the submarine will eventually return to Bremerton, Washington, for repairs.

-- Konstantin Toropin can be reached at konstantin.toropin@military.com. Follow him on Twitter @ktoropin.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 610ET Quote  Post ReplyReply Direct Link To This Post Posted: 02 Jan 2022 at 7:35pm
Was CT routed through that area?

If so and the charts did not denote a sea mount, what actions should the CO, XO and COB have taken to prevent the collision?

What about the routers?

Shouldn't they receive the same disipline?

More to the story?


Edited by 610ET - 02 Jan 2022 at 7:36pm
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