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scubacraig.jpg Craig is temporarily a post-doctoral fellow at the Monterey Bay Aquarium Research Institute who is looking for a permanent position. He spends most of his time balancing his overwhelming geekdom with normalcy so he can function in the real world. Luckily his wife likes his geekiness.



peter_chinchorro.jpg Peter Etnoyer is a Graduate Research Associate at the Harte Research Institute for Gulf of Mexico Studies, Texas A&M University-Corpus Christi. He studies deep corals and ocean fronts, and he loves to be on the water.



kevvygumby%20copy.jpg Kevin Zelnio is a Graduate Student Researcher at Penn State studying the ecology of hydrothermal vent and methane seep communities. He raises awareness of the plight of the spineless through folk music.

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The Submersible Synopses: NR-1

Category: The Submersible SynopsesVessels and Equipment
Posted on: May 12, 2008 7:08 PM, by CR McClain

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smallfulton.jpg NR-1 is the navy's smallest nuclear-powered and only nuclear-powered research submarine. Launched in 1969, th 145' NR-1 (known affectionately as Nerwin) was designed for deep submergence work on the seabed ranging from recovery, repair, implantation, and observation. Given its nuclear reactor, missions on the bottom can last day limited only by consumables. The submersible possesses bunks for these extended missions. Despite this independence, it generally towed and does not stray far from a surface support ship, currently the MV Carolyn Chouest.
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During extended missions, NR-1 typically has a compliment of 13 (2 officers, 8 enlisted, and 2 scientists). I believe the crew compartment is composed of 3 steel (titanium?) spheres connected together. Three 4-inch view-ports on its bottom, nineteen 250-watt gas discharge lights, eight 1000-watt, two 500-watt incandescent lights, and 16 different low light TV cameras in various locations allow multiple opportunities for observation. One key feature that makes Nerwin cooler than other than any other research submersibles is the presence of a periscope (and lets not forget that nuclear reactor!). The hydraulic manipulator arm can lift objects weight up to a ton.
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0854799.jpg NR-1 has conducted many underwater searches, underwater repair and salvage operations, including the recovery of critical wreckage from an Air Force F-14 lost off the coast of North Carolina, EgyptAir Flight 990 off the coast of New England, the Challenger shuttle in 1986, and the discovery of the USS O-12 (SS-73) and 25 other shipwrecks in a 12-hour period in a Norwegian fjord.

As Peter can attest in 2007, NR-1 was used to survey the Flower Garden Banks National Marine Sanctuary and other sites in the Gulf of Mexico.

More pictures here.

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Comments

#1

I'll also attest the crew can remain submerged for a month thanks to a generous complement of oxygen candles and microwave chicken tenders, and that the NR1 can deploy wheels to drive along the seafloor (but not inside the Sanctuary). No joke, unless its on me. Great series, Craig.

Posted by: Peter | May 12, 2008 8:23 PM

#2

Love watching this boat come in or out past Avery Point.
Maybe someday....

Posted by: Eric | May 12, 2008 11:14 PM

#3

Isn't this one bound for decommissioning this year?

How many other manned submersibles are being lost in the next few years?

Posted by: Eric | May 13, 2008 2:05 PM

#4

DSV Alvin will go offline soon, I believe

Posted by: Peter | May 13, 2008 3:57 PM

#5

Is WHOI planning a replacement?
Brad Seibel recently mentioned that the Johnson Sea Link would be going offline soon too. I don't recall is he mentioned which one or if it would be both of them. I understand that HBOI is not planning any replacement for the JSL's.

Posted by: Eric | May 13, 2008 7:55 PM

#6

Alvin will be replaced with a deeper diving model with more portholes. The titanium sphere is already built. The JSLs are in dry storage, as I understand it. Apparently, they were not part of the package when HBOI was purchased by the State of Florida, to be absorbed into Florida Atlantic University.

Posted by: Peter | May 14, 2008 9:31 AM

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