Video: What’s Inside The Largest Nuclear Submarines in The U.S. Navy
The Ohio Class submarine is the fourth biggest in the world. The US Navy operates 18 Ohio class nuclear-powered submarines, which are the biggest submarines ever built for the US. Each sub has a submerged displacement of 18,750t.
The first submarine of the class, USS Ohio was built by the Electric Boat Division of General Dynamics Corporation in Groton. It was commissioned into service in November 1981. All the other submarines were named after the US States, except USS Henry M. Jackson, which was named after a US senator.
Each Ohio Class submarine has a length of 170m, a 13m beam and a 10.8m draught. The gliding speed on the surface is 12kt and underwater is 20kt. The submarine class includes one S8G pressurised water reactor, two geared turbines, one auxiliary 242kW diesel motor and one shaft with a seven-bladed screw.
The submarine is capable of carrying 24 Trident missiles. The armament also includes four 53cm Mark 48 torpedo tubes.
Video by Austin Rooney, Petty Officer 1st Class Jeffrey Richardson, Petty Officer 1st Class Daniel Hinton, Petty Officer 2nd Class Michael Lee
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In 2005, a U.S. Navy nuclear submarine ran aground on a mountain. No, it wasn’t out of the water—it hit an underground mountain, and nearly sank.
The USS San Francisco is an American nuclear powered submarine, one of the large Los Angeles-class submarines first laid down in 1972 and are among the U.S. Navy’s quietest submarines.
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Warthog Defense provides headline news and technology updates since our community answers the call and makes news. We also cover the rest of the military experience —and in our military equipment guide we present what makes the military unique (and fun).
The submarine fleet community is a small but deadly force which delivers a major impact and provides unique capabilities to operational commanders around the world. As the maritime security environment has evolved into an asymmetrical warfighting scenario, the world faces new weapons systems that can threaten our joint forces at over-the-horizon ranges. These long range challenges underscore the demands on the submarine force to meet their growing and increasing scopes of responsibilities.
World War II submarine operations paved the way for most of today’s submarine missions. Today’s American submarine force is one of the most capable forces in the world and the history of U.S. Navy, comprising 53 fast attack submarines, 14 ballistic-missile submarines and four guided-missile submarines. The existing fleet of ballistic submarines currently carries 54 percent of our nation’s nuclear deterrent arsenal, and their replacements will carry an even greater percentage of strategic warheads.
There are three major types of submarines in the United States Navy: ballistic missile submarines, attack submarines, and cruise missile submarines. All submarines in the U.S. Navy are nuclear-powered. Ballistic missile submarines have a single strategic mission of carrying nuclear submarine-launched ballistic missiles. Attack submarines have several tactical missions, including sinking ships and subs, launching cruise missiles, and gathering intelligence.
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The intricate machinery aboard a submarine is complex—but managing the intricacies between the people is far more difficult. Navy Submarine Officers hold leadership roles in every department on a submarine. Whether you are managing navigation, controlling quality or directing missions, you’re always leading by example. Every decision is a reflection of your judgement, so you must have the courage to trust it. Ultimately, it is your job to manage your team and keep those around you safe. Find out more at
I made this one hour primetime television special in 1986. At the time, it was a big deal for the American Navy to let me on one of their submarines. I loved the experience and the submariners. This documentary won the Blue Ribbon at the American Film Festival. In my opinion what makes this so realistic is the everyday life submariners experienced and how when they trusted me and the crew, they let me record how things were when no one was watching. I was impressed with how professional they were and how, though underwater for months at a time, they treated each other decently and with respect. It takes a certain kind of person to be a submariner and I have deep respect for their professionalism and their patriotism. I know from so many who have commented on this video that to some extent, life on board a submarine has changed. For example there is no smoking cigarettes for sure. But in other ways, the life on board a Boomer or and attack sub isn’t all that different from what is shown here.
As I am an independent filmmaker, I make a portion of my living from selling copies of my films but I have decided, given the number of requests that I have had from ex-Navy men and women, to put the entire film up on YouTube. Please like this if you find watching it of value to you. #submarine #navy #sub #steelboats #attacksub #boomer
Gives a gist of what to expect when you report to the submarine. I can’t give out too many details because they are classified secret and would get me in trouble for being too descriptive but if there are any questions, just ask and I will answer if it is legal for me to answer them
* THE BIGGEST SUBMARINES ► USS PENNSYLVANIA ► UNITED STATES NAVY. –
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* USS Pennsylvania is a United States Navy Ohio-class ballistic missile submarine which has been in commission since 1989. The Ohio class is a class of nuclear powered submarines used by the United States Navy. The Navy has 18 Ohio-class ballistic missile submarines and guided missile submarines.
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Go to to see this 60 minute TV special, To support my efforts to create more clips please donate to me at www.patreon.com/allinaday. The Complete Submariners Story. My Colleagues and I did our best to show you what was ‘real” on a US Nuclear powered submarine. Thank you for watching it.
David Hoffman – Filmmaker