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PostPosted: Tue Jan 09, 2018 11:11 am 
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Joined: Mon Feb 11, 2013 11:16 am
Posts: 521
Link: http://www.popularmechanics.com/militar ... ate=010918


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PostPosted: Fri Jan 12, 2018 7:33 pm 
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Joined: Wed Nov 27, 2013 7:06 am
Posts: 3154
Location: Vancouver, Canada
From earlier this past week:

Popular Mechanics

Quote:
Someone Left a Hatch Open and Crippled India’s $2.9 Billion Submarine

Water damage put the submarine out of action for ten months.

By Kyle Mizokami
Jan 8, 2018

India’s first ballistic missile submarine was out of commission for ten months after someone neglected to properly close a hatch. The nuclear-powered submarine INS Arihant was flooded with saltwater, necessitating nearly a year’s worth of repairs. The submarine is designed to function as a floating arsenal of nuclear weapons, guaranteeing a retaliatory strike in case of surprise attack.

The incident was first reported by The Hindu. According to an Indian Navy source, a hatch was left open on the rear left side of the ship, allowing seawater to rush into the propulsion area while the Arihant was in harbor. Arihant was out of action for ten months as water was pumped out and pipes were cut out and replaced. Indian authorities likely felt that pipes exposed to corrosive seawater couldn't be trusted again, particularly pipes that carry pressurized water coolant to and from the ship’s 83 megawatt nuclear reactor. Failing pipes could not only endanger the ship’s crew but the entire submarine... and her nuclear weapons.

India’s first ballistic missile submarine is the result of a $2.9 billion submarine technology program. Construction on Arihant began in 2009, and the ship was commissioned into the Indian Navy seven years later in October 2016. The modified Russian Akula-1 class nuclear attack submarine was lengthened to accommodate twelve K-15 short-range nuclear missiles or four K-4 intermediate range nuclear missiles. K-15 missiles, with their 434-mile range, primarily target Pakistan, while K-4 missiles, with their 2,174-mile range can reach all of Pakistan and as far as the capital of India’s other neighborhood rival, Beijing. A second missile submarine, INS Arighant, was launched in December, and at least three submarines are planned.

(...SNIPPED)

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PostPosted: Sat Jan 13, 2018 11:52 am 
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Joined: Sun Aug 20, 2017 9:46 am
Posts: 1439
Location: Montreal, Canada
That's what happens when they install screen doors on subs! :big_grin:
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PostPosted: Sat Jan 13, 2018 7:15 pm 
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Joined: Sun Aug 20, 2017 9:46 am
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Location: Montreal, Canada
Especially for the submarine races!
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PostPosted: Mon Jan 15, 2018 4:21 pm 
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Joined: Fri Dec 21, 2007 12:57 pm
Posts: 484
I wonder if maintenance issues like this are a right of passage for a Nuclear Submarine Navy?

https://en.wikipedia.org/wiki/USS_Guitarro_(SSN-665)


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